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Bornite with quartz.
St Ives Consols, St Ives, Cornwall, England, UK.
36 mm specimen. (Author: Ru Smith)
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bottom side
Cantera Rensselaer, Rensselaer, Marion, Condado Jasper, Indiana, USA
100 MM X 90 MM X 73 MM (Autor: R Saunders) -
Boulangerite, Dolomite
Ramsbeck, Bestwig, Distrito Hochsauerland, Arnsberg, Renania del Norte-Westfalia/Nordrhein-Westfalen, Alemania
~ 13 cm (Autor: Tobi) -
Boulangerite
Mina Glanzenberg, Silberg, Kirchhundem, Olpe, Sauerland, Renania del Norte-Westfalia/Nordrhein-Westfalen, Alemania
5,5 x 4,7 x 3 cm. (Autor: J. G. Alcolea) -
Bournonite
Wheal Boys, Port Isaac, St. Endellion, Cornwall, England, UK
Intergrown bournonite crystals to 4mm, with small crystals of sphalerite. Sphalerite and jamesonite crystals on rear (Author: ian jones)
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Bournonite "cogwheel" with Quartz
Herodsfoot Mine, Lanreath, Liskeard, Cornwall, England, United Kingdom
Specimen size: 5.2 × 2.7 × 3.3 cm
Main crystal size: 2.5 × 1.7 cm
Top (Author: Jordi Fabre)
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Bournonite "cogwheel" with Quartz
Herodsfoot Mine, Lanreath, Liskeard, Cornwall, England, United Kingdom
Specimen size: 5.2 × 2.7 × 3.3 cm
Main crystal size: 2.5 × 1.7 cm
Rear (Author: Jordi Fabre)
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Bournonite "cogwheel" with Quartz
Herodsfoot Mine, Lanreath, Liskeard, Cornwall, England, United Kingdom
Specimen size: 5.2 × 2.7 × 3.3 cm
Main crystal size: 2.5 × 1.7 cm
Mined about 1926
Former collection of Sir Arthur Russell / Former collection of the Folch duplicates
Photo: Reference Specimens (Author: Jordi Fabre)
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Bournonite (cog wheel)
Herodsfoot Mine, Cornwall, England, UK
In the Hunterian museum in Glasgow (Author: James)
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Bournonite cogwheel 30mm across, on quartz. This is part of a larger specimen, and is the largest crystal. (Author: ian jones)
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Bournonite, malachite
Georg mine, Willroth, Westerwald, Rhineland-Palatinate, Germany
4 x 3 cm (Author: Andreas Gerstenberg)
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Bournonite
Mina Georg, Willroth, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Renania-Palatinado/Rheinland-Pfalz, Alemania
Specimen size 18 cm (Autor: Tobi) -
Bournonite
Mina Herodsfoot, Lanreath, Liskeard, Cornwall, Inglaterra / Reino Unido
55 x 75 x 55 mm (Autor: James) -
Brassy looking little flakes of Stipnomelane from the French Creek Mine #2, Chester County, Pennsylvania. Field of veiw is 1 3/4" (4.45 cm). (Author: Jim Prentiss)
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Brett Medici w. fluorite in celestite sand
Lime City, Ohio, USA
Fluorite cubes to 5 cm across (Author: John Medici)
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Brochantite and spangolite on a quartz and barite matrix
Mina Blanchard (Mina Portales-Blanchard), Bocamina Portales, Bingham, Distrito Hansonburg, Condado Socorro, New Mexico, USA
5 x 6.9 cm (Autor: crosstimber) -
Brochantite
Mina Morenci, Morenci, Distrito Copper Mountain, Montes Shannon, Condado Greenlee, Arizona, USA
7.2cm x 4.5cm (Autor: rweaver) -
Brochantite
Depósito Paoli, Paoli, Distrito Red Bed, Condado Garvin, Oklahoma, USA
7.9 x 4.8 x 2.5 cm (Autor: Michael Shaw) -
Brookite
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd (Caernarvonshire), Wales
Crystals of about 1.5cm
In the Harvard museum (Author: James)
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Brookite
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd, Gales / Reino Unido
Crystal of 8mm (Autor: James) -
![bs1[1].jpg (Author: Jason)](https://www.mineralogia.es/plog-content/thumbs/plogger-test-collection/plogger-test-album/small/31759-FMF2-bs11_796.jpg "bs1[1].jpg (Author: Jason)")
bs1[1].jpg (Author: Jason)
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![bs2[1].jpg (Author: Jason)](https://www.mineralogia.es/plog-content/thumbs/plogger-test-collection/plogger-test-album/small/31760-FMF2-bs21_206.jpg "bs2[1].jpg (Author: Jason)")
bs2[1].jpg (Author: Jason)
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![bs4[1].jpg (Author: Jason)](https://www.mineralogia.es/plog-content/thumbs/plogger-test-collection/plogger-test-album/small/31761-FMF2-bs41_112.jpg "bs4[1].jpg (Author: Jason)")
bs4[1].jpg (Author: Jason)
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Bustamite
Meldon Quarry, Oakhampton, Devon. England, UK
90x50mm (Author: ian jones)
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cabinet...15 cm across (Author: Peter Megaw)
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Caclite
Linwood Mine, Buffalo, Scott Co., Iowa, USA
Twin is 5 x 4.5 cm (Author: Matt_Zukowski)
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Cacoxenite
Mina Hoff auf mich, Ullersreuth, Hirschberg (Saale), Saale-Orla-Kreis, Turingia/Thüringen, Alemania
8,5 x 7 cm (Autor: Andreas Gerstenberg) -
Caicite
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
80 x 71 mm (Autor: Sante Celiberti) -
Calcite
Meikle Mine (1450 Level), Bootstrap District, Elko County, Nevada, USA
54 x 39 x 26 mm
Pale yellowish twinned crystal of Calcite to 23 mm rests on a plate covered with water-clear, modified scalenohedrons of Calcite. The large Calcite has promnent twin lines. It was collected by Casey Jones in August 1998. No damage. (Author: GneissWare)
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Calcite
Berry Materials Corp quarry, North Vernon Plant, NE edge of North Vernon, Jennings Co., Indiana, USA
70 mm x 40 mm x 35 mm
Close up view (Author: Carles Millan)
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Calcite
Berry Materials Corp quarry, North Vernon Plant, NE edge of North Vernon, Jennings Co., Indiana, USA
70 mm x 40 mm x 35 mm (Author: Carles Millan)
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Calcite
Berry Materials Corp quarry, North Vernon Plant, NE edge of North Vernon, Jennings Co., Indiana, USA
70 mm x 40 mm x 35 mm (Author: Carles Millan)
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Calcite
Bigrigg Mine, Egremont, Cumbria, England, UK
16 cm across
Calcite with fine hematite inclusions from the Bigrigg Mine, Egremont. Ex Field Museum, likely recovered prior to 1890. (Author: Jesse Fisher)
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Calcite
Blaengwynlais Quarry, Bwlch-y-cwm, Cardiff, Wales, UK
120mm calcite crystal showing different growth phases, the latter white calcite partially coating an earlier crystal darkened by ironstaining. Collected 1979. (Author: ian jones)
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Calcite
Butler-Weddington mine, Karnes Uranium District, Karnes Co., Texas, USA
70mm height. Crystal 11mm on edge
Champagne colored rhombs on matrix, from a concretion. You can see where the edge of the rhomb grew against the concretion. 70mm in height, with the crystal 11mm on edge. (Author: Paul Bordovsky)
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Calcite
Chalk Hill Quarry, Dallas, Dallas Co., Texas, USA
Crystals average about 0.25" (6mm)
These little Calcites are from the Chalk Hill Quarry, Dallas County, Texas the crystals average about 0.25" (6mm) (Author: Jim Prentiss)
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Calcite
Croft Quarry, Croft, Leicestershire, England, UK (Author: ian jones)
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Calcite
Crystal Cavern, Terlingua Mercury District , Brewster Co., Texas, USA
9.5 cm X 10 cm.
Calcite, rhombohedral and zoned, same location. 9.5 cm X 10 cm. This is an example of the calcite that coats the walls, ceiling, and floor of the Crystal Cavern. The Terlingua Mercury District is characterized by breccia pipes, collapse breccias that formed just a big jumble of limestone boulders. Caves are not uncommon in the mines of the district. Lots of open cavities means good collecting. (Author: Ed Huskinson)
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Calcite
Crystal River Quarry 2, Lecanto, Citrus County, Florida, USA
Specimen: Arkenstone
Photo: Jeff Scovil (Author: Jordi Fabre)
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Calcite
Crystal River Quarry 2, Lecanto, Citrus County, Florida, USA
5.8 cm. wide
Specimen: Francis Benjamin collection
Photo: Jeff Scovil (Author: Jordi Fabre)
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Calcite
Elmwood Mine, Middle Tennessee District, Carthage, Smith County, Tennessee, USA
Specimen width 85 mm (Author: Tobi)
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Calcite
Elmwood, Tennessee, USA
16.5 cm
A great, gemmy calcite, perfect color. (Author: John Nash)
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Calcite
Elmwood, Tennessee, USA
overall size 33.5 X 22 cm
A 15 cm calcite and several smaller golden calcites actually glue two pieces of limestone together. (Author: John Nash)
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Calcite
Flambeau Mine, near Ladysmith, Rusk County, Wisconsin, USA
81 x 69 x 43 mm
Another view (Author: GneissWare)
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Calcite
Flambeau Mine, near Ladysmith, Rusk County, Wisconsin, USA
81 x 69 x 43 mm
From the East End Footwall Orebody, Marker 418.0 1010 Level
"Wheat sheave" shaped white Calcites to 32 x 16 mm, with pearly luster and light-red Hematite accents are perched on sparkly contrasting matrix of Calcite. Although there is some damage, this is a very rare and important specimen-one of only three Calcites found at the Flambeau Mine in Wisconsin, and the very best one found. It was collected by Casey Jones who sold it to F. John Barlow (#5972), and was later consigned to Casey upon dissolution of the Barlow collection. (Author: GneissWare)
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Calcite
Frischglück mine, St. Roman, Wittichen, Black Forest, Baden-Württemberg, Germany
8,8 x 6 cm (Author: Andreas Gerstenberg)
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Calcite
Frizington, West Cumberland Iron Field, Cumbria, England, UK
8.1 x 6.0 cm (Author: am mizunaka)
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Calcite
Gallatin Canyon, Montana
7.5 cm
This is the largest of several calcites on this 17.5 cm specimen (Author: John Nash)
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Calcite
Gallatin Canyon, Montana, USA
17 X 10 X 6 cm
This is a fine, classic Gallatin Canyon calcite specimen. It is nearly a floater, I can find only two 1-cm points of attachment from what must have been a large pocket with branching, lobular matrices in it, covered with tiny calcites. On top of those grew the large golden scalenohedrons. The largest calcite is 7.5 cm (3 inches) and is doubly terminated. All the large scalenohedrons are undamaged. The overall size of this grand specimen is 17 X 10 X 6 cm. The specimen was passed from Ronald L. Anderson of Littleton, CO to the Buckskin Booksellers of Ouray, CO. I purchased in from Robert Stouffer, also of Ouray, CO. (Author: John Nash)
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Calcite
Hampstead Farm Quarry, Chipping Sodbury, Gloustershire, England, UK (Author: ian jones)
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Calcite
Joplin Field, Tri-State District, Jasper Co., Missouri, USA
Overall size: 101 mm x 66 mm x 93 mm.
Until year 2007 it belonged to the James & Dawn Minette collection, Boron, California, with label #WW109.
Photo copyright © Carles Millan. Reproduction allowed as long as the author’s name is cited. Creative Commons Attribution License - Some Rights Reserved. (Author: Jordi Fabre)
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Calcite
Juchem Quarry, Niederwörresbach, Herrstein, Hunsrück, Rhineland-Palatinate, Germany
13 x 9 cm
Collection & Photo: Tobias Martin (Author: Tobi)
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Calcite
Kenoyer Mine, Picher, Ottawa County, Oklahoma, USA
7.0 x 8.9 cm. (Author: crosstimber)
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Calcite
La Farge quarry, Medford, Maryland, USA
7 cm (Author: John Medici)
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Calcite
Langer Köchel quarry, Murnauer Moos, Garmisch-Partenkirchen, Upper Bavaria, Bavaria, Germany
10 x 8 cm (Author: Andreas Gerstenberg)
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Calcite
Linwood Mine, Buffalo, Scott Co., Iowa, USA
Twin is 5 x 4.5 cm (Author: Matt_Zukowski)
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Calcite
Linwood Mine, Buffalo, Scott Co., Iowa, USA
32 x 15 x 14 cm (Author: Matt_Zukowski)
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Calcite
Longview Quarry, Shelby, Alabama, USA
Specimen size: 5.1 x 4.3 cm.
Photo: Bob Weaver
Bob Weaver supplied the photo below to lead the state of Alabama.
Thank you Bob! (Author: Jordi Fabre)
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Calcite
Mahlscheid quarry, Herdorf, Siegerland, Rhineland-Palatinate, Germany
8 x 5 cm (Author: Andreas Gerstenberg)
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Calcite
Mariposa Mine, Terlingua District, Brewster Co., Texas, USA
18" x 14" (Author: yotes1az)
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Calcite
Minerva No. 1 Mine, Cave-in-Rock, Hardin Co., Illinois, USA
7.2 x 4.9 cm (Author: am mizunaka)
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Calcite
Moncure Quarry, Lee County, North Carolina, USA
7.5 x 3 x 2 cm (Author: Scott LaBorde)
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Calcite
Moncure Quarry, Lee County, North Carolina, USA
2.5 x 1 cm (Author: Scott LaBorde)
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Calcite
New Glencrieff mine, Wanlockhead, Dumfries and Galloway, Scotland, UK
~40cm across
From the Hunterian museum in Glasgow (Author: James)
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Calcite
Pallaflat Mine, Bigrigg, Cumbria, England, UK
55mm calcite crystal and associated old label. Ex Robert Ferguson (1767-1840) collection (Author: ian jones)
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Calcite
Pallaflat Mine, Bigrigg, Cumbria, England, UK
90x70mm calcite twin. Ian Jones collection, ex Richard Barstow collection Ex Richard (Dick) Barstow (1947–1982) collection. Probably traded by Dick from the Kelvingrove Museum, Glasgow (Author: ian jones)
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Calcite
Pallaflat Mine, Bigrigg, Cumbria, England, UK
Clear calcite crystals to 55mm. Ex Richard (Dick) Barstow (1947–1982) collection. Probably traded by Dick from the Kelvingrove Museum, Glasgow (Author: ian jones)
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Calcite
Pallaflat Mine, Bigrigg, Cumbria, England, Uk
Group of calcite crystals, typically 35mm (Author: ian jones)
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Calcite
Pallaflat Mine, Bigrigg, Cumbria, England, UK
Group af calcite crystals, typically 20-25mm (Author: ian jones)
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Calcite
Pallaflat Mine, Bigrigg, West Cumberland Iron Field, North and Western Region (Cumberland), Cumbria, England, UK
11.9 x 7.5 x 6.6 cm (Author: Matt_Zukowski)
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Calcite
Pallaflat, Cumbria, England, UK
~12cm across
In the Sedgwick museum Cambridge (Author: James)
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Calcite
Palo Duro Canyon area, Armstrong Co., Texas, USA
5 cm. X 7 cm.
Concretion, 5 cm X 7 cm. Calcite in fine sandstone / redbed matrix. Palo Duro Canyon, near Canyon, Texas. These used to be quite common in the canyon, but many of them have been picked up by visitors, picnickers, and the like (which, i suppose, includes me too). (Author: Ed Huskinson)
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Calcite
Perry Pit, west side, California hill, Mariposa Mine, California Hill, Terlingua Mercury District, Brewster County, Texas, USA
3.5 cm long.
Calcite, scalenohedral and zoned. Perry Pit, west side, California hill, Mariposa Mine, Terlingua Mercury district, Brewster County, Texas. 3.5 cm long. Crystals like this one are common in the district, often display planes along which dustings of cinnabar have grown. This one shows a thin coating of clay along an earlier crystal face. (Author: Ed Huskinson)
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Calcite
Picher, Ottawa County, Oklahoma, USA
9.6 cm. (Author: crosstimber)
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Calcite
Pugh Quarry, Custar, Wood County, Ohio, USA
Specimen size: 13 x 8 cm.
Cristal size: 12 cm.
Photo: geoalfon (Author: Jordi Fabre)
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Calcite
Rabenstein limestone mine, Chemnitz, Saxony, Germany
3 x 2,5 cm (Author: Andreas Gerstenberg)
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Calcite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
2.9 x 3.5 cm (Author: am mizunaka)
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Calcite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
2.9 x 3.5 cm (Author: am mizunaka)
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Calcite
Sauberg mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany
5,5 x 4,5 cm
The so-called "wave calcite" from the "Dölling vug", 6018 working, 6th level (found 1982 by Walther Dölling). (Author: Andreas Gerstenberg)
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Calcite
Schneeberg, Erzgebirge, Saxony, Germany
8 x 4 cm (Author: Andreas Gerstenberg)
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Calcite
Shullsburg, Upper Mississippi Valley District, Lafayette Co., Wisconsin
9.6 x 6.8 x 5.8 cm (Author: am mizunaka)
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Calcite
Sickenius mine, Karnes Uranium District, Karnes Co., Texas, USA
Calcite crystal 45 x 37mm (Author: Paul Bordovsky)
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Calcite
Sickenius mine, Karnes Uranium District, Karnes Co., Texas, USA
Calcite crystal 45 x 37mm
45 x 37mm in concretion as is was broken open. One of the largest calcites found in the district. (Author: Paul Bordovsky)
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Calcite
Sickenius mine, Karnes Uranium District, Karnes Co., Texas, USA
Up to 3mm.
Vug with water clear calcite scalenohedrons up to 3mm. (Author: Paul Bordovsky)
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Calcite
Sickenius mine, Karnes Uranium District, Karnes Co., Texas, USA
Calcite crystal 45 x 37mm
You can see many tiny faces where the crystal grew against the matrix. (Author: Paul Bordovsky)
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Calcite
Sickenius mine, Karnes Uranium District, Karnes Co., Texas, USA
Calcite crystal 45 x 37mm
The previous crystal detached from the vug. (Author: Paul Bordovsky)
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Calcite
Snake Hill (Laurel Hill), New Jersey, USA
Calcite (hematite-coated). Longest crystal 1.5 cm
Snake hill was an isolated igneous hill in the meadowlands of northeastern NJ. It was completely leveled by quarrying, but in the process many interesting minerals were found. It is not far from an old clay pit in Moonachie where I have taken my family to collect clay concretions. (Author: John Medici)
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Calcite
Stank Mine, Barrow, South Western Region, Cumbria, England, UK
8.6 x 5.7 cm (Author: am mizunaka)
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Calcite
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA
Specimen height 95 mm (Author: Tobi)
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Calcite
Sweetwater Mine, Missouri, USA
200 x 120 x 25 mm (Author: Tobi)
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Calcite
Taff’s Well Quarry, Taff’s Well, Cardiff, Wales, UK
Calcite 6cm, collected 1981.
I was pleasantly surprised to open a copy of the calcite edition of Extra Lapis and see this photo used as an example of twinning. (Author: ian jones)
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Calcite
Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK
Crystals ~ 6 mm on edge in a cavity in Mn-oxides. FOV ~ 45 mm across. (Author: Andy Lawton)
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Calcite
Torr Works Quarry, Cranmore, Somerset, England, UK
globular aggregates to 8mm (Author: ian jones)
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Calcite
Wright-McGrady Mine, Karnes Uranium District, Karnes Co., Texas, USA
120 x 150mm.
Chunk of a concretion 120 x 150mm. Scalenohedral calcite fluoresces light pink. Rhombohedral calcite is red, chalcedony is green, and the blue is the micrite matrix, although this is more a reflection than fluorescence. (Author: Paul Bordovsky)
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Calcite
Wright-McGrady Mine, Karnes Uranium District, Karnes Co., Texas, USA
8mm on edge.
Calcite rhomb (Author: Paul Bordovsky)
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Calcite
Wright-McGrady Mine, Karnes Uranium District, Karnes Co., Texas, USA
8mm on edge.
Calcite rhomb (Author: Paul Bordovsky)
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Calcite (close up)
Crystal River Quarry 2, Lecanto, Citrus County, Florida, USA
5.8 cm. wide
Specimen: Francis Benjamin collection
Photo: Jeff Scovil (Author: Jordi Fabre)
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Calcite (septarian nodule)
Arroyo Muddy, Orderville, Condado Kane, Utah, USA
16 cm (Autor: Tobi) -
Calcite (Siliceous)
Shannon County, South Dakota, USA
7 x 8 cm. (Author: vic rzonca)
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Calcite (twin?) (assocd. with barite)
Mex-Tex Mine, Bingham, NM (Author: John Medici)
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Calcite (variety cobaltian calcite)
Mina Gnade Gottes, Bocamina Alter Schmiedestollen, Wittichen, Schenkenzell, Rottweil, Selva Negra, Baden-Württemberg, Alemania
5,5 x 4,5 cm (Autor: Andreas Gerstenberg) -
Calcite - Denton Mine. 6.5 x 7.2 cm (Author: crosstimber)
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Calcite - Minerva #1 Mine. 5.7 x 7.2 cm. (Author: crosstimber)
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Calcite - Minerva #1 Mine. 6.5 x 8.6 cm (Author: crosstimber)
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Calcite after coral
Key Largo (Cayo Largo), Archipiélago Florida Keys, Condado Monroe, Florida, USA
12 cm. high (Autor: Jordi Fabre) -
Calcite after coral
Key Largo (Cayo Largo), Archipiélago Florida Keys, Condado Monroe, Florida, USA
12.4 cm. high (Autor: Jordi Fabre) -
Calcite after Halite
Major County, Oklahoma, USA
3.0 x 2.5cm (Author: rweaver)
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Calcite amethystine
Lane / Hampden Quarries, Westfield, Massachusetts, USA
11x9 cm. (Author: vic rzonca)
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Calcite amethystine
Lane / Hampden Quarries, Westfield, Massachusetts, USA
11x9 cm.
two views. (Author: vic rzonca)
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Calcite and Barite on Quartz
Canales de desagüe, Condado Monroe, Indiana, USA
calcites up to 4.0 cm, barite up to 2.5 cm (Autor: Bob Harman) -
Calcite and Barite on Quartz
Canales de desagüe, Condado Monroe, Indiana, USA
calcites up to 4.0 cm barite up to 2.5 cm (Autor: Bob Harman) -
Calcite and Barite on Quartz
Canales de desagüe, Condado Monroe, Indiana, USA
calcites up to 3.0 cm, barite up to 2.5 cm (Autor: Bob Harman) -
Calcite and Barite on Quartz
Canales de desagüe, Condado Monroe, Indiana, USA
calcites up to 3.0 cm, barite up to 2.5 cm (Autor: Bob Harman) -
Calcite and Dolomite on Quartz and with Marcasite
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
as above (Autor: Bob Harman) -
Calcite and Dolomite on Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
geode is 13 cm, the calcite is 4.2 cm and the dolo (Autor: Bob Harman) -
Calcite and Dolomite on Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
The Calcite crystals are up to 3.5 cm (Autor: Bob Harman) -
Calcite and Dolomite on Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
8.5 cm geode with a 5 cm cavity containing a 3.6 c (Autor: Bob Harman) -
Calcite and Fluorite
Rosiclare level, Denton Mine, Hardin County, Illinois, USA
Specimen size: 7.8 × 4.5 × 4.2 cm.
Main crystal size: 6.6 × 3.8 cm.
Fluorite & Calcite fluorescent long & short UV
From the former Jan Buma Collection
Photo: Reference Specimens (Author: Jordi Fabre)
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Calcite and goethite
Blaengwynlais Quarry, Bwlch-y-cwm, Cardiff, Wales, UK
Goethite pseudomorphing a 20mm pyrite crystal grown on a somewhat weathered calcite crystal. The goethite, clearly contemporaneous with the calcite, is loose within the cavity and can be removed and replaced.
Having seen and collected numerous goethite pseudomorphs from Blaengwynlais Quarry, I have never seen a remotely similar specimen from this location. (Author: ian jones)
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Calcite and hematite
Mina Bigrigg, Bigrigg, West Cumberland Iron Field, (antes Cumberland), Cumbria, Inglaterra / Reino Unido
11x6x5 cm (Autor: Jesse Fisher) -
Calcite and laumontite
Onion River, near Lutsen, Cook County, Minnesota, USA
3 X 1.5 cm
From the same pocket as the apophyllite. (Author: John Nash)
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Calcite and Quartz
Roncari quarry, East Granby, Hartford Co., Connecticut
Specimen size 8 x 5.5 x 5 cm. (Author: am mizunaka)
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Calcite and Sphalerite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
geode is about 20 cm x 9 cm (Autor: Bob Harman) -
Calcite and stilbite
Trap Rock Industries Moores Station Quarry, Hopewell, Mercer County, New Jersey, USA
6.8 x 4 cm
Calcite crystals to 2.1 cm on stilbite (Author: Frank Imbriacco)
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Calcite and stilbite
Trap Rock Industries Moores Station Quarry, Hopewell, Mercer County, New Jersey, USA
6.8 x 4.4 cm
Twinned calcite crystals to 1.7 cm on stilbite (Author: Frank Imbriacco)
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Calcite cleavage
La Farge quarry, Medford, Maryland, USA
7 cm (Author: John Medici)
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Calcite close up
Linwood Mine, Buffalo, Scott County, Iowa, USA (Author: Jordi Fabre)
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Calcite in laumontite
Near Beaver Bay, Lake County, Minnesota, USA
Largest crystal is 6 cm (Author: John Nash)
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Calcite in laumontite
Near Beaver Bay, Lake County, Minnesota, USA
25 X 18 X 16 cm
Ex-Roland Quinn, proprietor of the Beaver Bay Agate Shop at the time. Roland inherited the shop and collection from his father. This incredible specimen has a group of flat-topped pseudohexagonal calcites in a large boulder of calcite and laumontite. It clearly was a piece of a large calcite vein that broke off. The miracle is that the whole specimen looks like a water-worn rock, but the calcite crystals are pristine and undamaged, showing no signs of wear at all. Greg theorizes this must have been in a part of Lake Superior with a sandy bottom. The usual pebble bottoms would have made short work of the calcite. The largest crystal is about 6 cm across. A true Minnesota classic, rare beyond rare. (Author: John Nash)
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Calcite included with Copper
Calumet, Houghton Co., Michigan
Specimen size 2 x 2.7 cm. (Author: am mizunaka)
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Calcite included with pyrite with Muscovite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
6.3 x 6 cm. (Author: am mizunaka)
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Calcite on ankerite
Bösenbrunn, Oelsnitz, Vogtlandkreis, Sajonia/Sachsen, Alemania
Specimen size 3,5 cm, crystal 13 mm (Autor: Tobi) -
Calcite on Barite & Sphalerite
Elmwood Mine, Carthage, Smith County, Tennessee, USA
Specimen size: 13 × 10 × 9 cm.
Main crystal size: 10 × 5.5 x 5 cm.
Photo : Richard Jackson (Author: chris)
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Calcite on Baryte
Mina Christiane, Adorf, Diemelsee, Distrito Waldeck-Frankenberg, Hesse/Hessen, Alemania
Main crystal size: 2 × 1.2 cm (Autor: Jordi Fabre) -
Calcite on calcite
Shullsburg-Hazel Green area, Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
8 cm tall as pictured (Author: John Nash)
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Calcite on Dolomite. Sphalerite and Barite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
variously sized geodes (Autor: Bob Harman) -
Calcite on Dolomite. Sphalerite and Barite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
variously sized geodes (Autor: Bob Harman) -
Calcite on Dolomite. Sphalerite and Barite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
Variously sized geodes (Autor: Bob Harman) -
Calcite on dolomite. Sphalerite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
variously sized geodes (Autor: Bob Harman) -
Calcite on dolomite. Sphalerite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
variously sized geodes (Autor: Bob Harman) -
Calcite on dolomite. Sphalerite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
variously sized geodes (Autor: Bob Harman) -
Calcite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
geode cavity is about 13 cm, largest calcite is 5. (Autor: Bob Harman) -
Calcite on Dolomite
Zona de construcción de embalses, Condado Monroe, Indiana, USA
geode cavity 9 x 5 cm, the calcite is 3.5 cm (Autor: Bob Harman) -
Calcite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
14 cm x 14 cm. the calcites are 1 cm - 4 cm (Autor: Bob Harman) -
Calcite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
14 cm x 14 cm. the calcites 1 cm - 4 cm (Autor: Bob Harman) -
Calcite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
geode is 18+ cm. The largest calcites are about 6 (Autor: Bob Harman) -
Calcite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
geode is about 18 cm calcites are 6 - 7 cm (Autor: Bob Harman) -
Calcite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
geode is 18+ cm, the largest calcites might be 6 - (Autor: Bob Harman) -
Calcite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
oval geode about 17cm x 11cm (Autor: Bob Harman) -
Calcite on Dolomite
Condado Washington, Indiana, USA
the calcite is 5 cm (Autor: Bob Harman) -
Calcite on Dolomite
Condado Washington, Indiana, USA
Oval geode is 20 cm. Calcites are up to 2 cm (Autor: Bob Harman) -
Calcite on Dolomite
Condado Washington, Indiana, USA
Oval example 16 cm x 12 cm. Calcites up to 1.3 cm (Autor: Bob Harman) -
Calcite on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
The specimen is 8 cm. The Calcite crystal is 1.8 c (Autor: Bob Harman) -
Calcite on epidote
Lane quarry, Hampden County, Massachusetts, USA
2 cm. calcite (Author: vic rzonca)
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Calcite on galena
Mina Buick, Bixby, Distrito Viburnum Trend, Condado Iron, Missouri, USA
7,5 cm (Autor: Tobi) -
calcite on matrix
Cantera Meshberger Stone Company, Columbus, Condado Bartholomew, Indiana, USA
Largest calcite is 10 cm (Autor: Bob Harman) -
Calcite on Muscovite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
Backside (Author: am mizunaka)
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Calcite on Muscovite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
8.5 x 6.3 cm. (Author: am mizunaka)
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Calcite on prehnite with datolite
Lane Quarry, Hampden County, Massachusetts, USA
9 x 9 cm.
Calcite on prehnite with minor datolite. The reverse of JPG 1698. (Author: vic rzonca)
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Calcite on prehnite with datolite
Lane Quarry, Hampden County, Massachusetts, USA
9 x9 cm.
A calcite chapeau on a prehnite stalactite. (Author: vic rzonca)
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Calcite on Quartz (variety milky)
Condado Washington, Indiana, USA
15 cm x 15 cm (Autor: Bob Harman)Calcite on Quartz (variety milky)
Condado Washington, Indiana, -
Calcite on Quartz
Zona Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
geodes 6.0 cm, rhombohedral crystal 3.0 cm, scal (Autor: Bob Harman) -
Calcite on Quartz
Condado Washington, Indiana, USA
the geode is about 24 cm and the calcites are up t (Autor: Bob Harman) -
calcite on quartz
Condado Washington, Indiana, USA
Geode cavity is greater than 30 cm, Calcite area i (Autor: Bob Harman) -
Calcite on Quartz
Mina Sheffler's Rock Shop and Geode, Alexandria, Condado Clark, Missouri, USA
the 2 chambered geode is 12 cm. each cavity is ab (Autor: Bob Harman) -
Calcite on Quartz
Mina Sheffler's Rock Shop and Geode, Alexandria, Condado Clark, Missouri, USA
the geode cavity is about 18 cm and the largest ca (Autor: Bob Harman) -
Calcite on Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
the largest intact calcite, seen on end at the 6 o (Autor: Bob Harman) -
Calcite on Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
the largest intact calcite in this picture is 4.8 (Autor: Bob Harman) -
Calcite on Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
geode is about 17 cm, the largest intact calcites (Autor: Bob Harman) -
Calcite on Quartz
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
geode is 14 cm x 12 cm. Calcites are up to 2.2 cm (Autor: Bob Harman) -
Calcite on Quartz
Idar-Oberstein, Birkenfeld, Renania-Palatinado/Rheinland-Pfalz, Alemania
69 mm (Autor: Gerhard Brandstetter) -
Calcite on Quartz
Condado Lawrence, Indiana, USA
Calcites to 2.5 cm in 6.5 cm geode (Autor: Bob Harman) -
Calcite on Quartz
Condado Lawrence, Indiana, USA
Another example: Calcites to 2.5 cm in 6.5 cm geod (Autor: Bob Harman) -
Calcite on Quartz
Condado Lawrence, Indiana, USA
Calcites to 2 cm in 6.5 cm geode (Autor: Bob Harman) -
Calcite on Quartz
Condado Lawrence, Indiana, USA
Calcites to 2 cm in 6.5 cm geode (Autor: Bob Harman) -
Calcite on Rutile
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
2.8 x 2.1 cm. (Author: am mizunaka)
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Calcite on Rutile
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
2.8 x 2.1 cm. (Author: am mizunaka)
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Calcite replacing Mercenaria sp
Fossilized shell of Mercenaria sp, the interior of which is now occupied by Calcite crystals filling most of the available inner space. The Calcite crystals “borrowed” calcium from Mercenarias for their growth.
Ruck’s pit, Okeechobee County, Florida, USA
Mined in 2003
Specimen size: 5.3 × 3.3 × 3.6 cm.
Extremely fluorescent long & short UV
Photo: Reference Specimens (Author: Jordi Fabre)
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Calcite twin
Picher, Ottawa County, Oklahoma, USA
8.5 cm. (Author: crosstimber)
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Calcite twin.
Hollandtwine Mine, Dirtlow Rake, Castleton, Derbyshire, England, UK.
26 mm. (Author: Ru Smith)
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Calcite twin.
Torr Works Quarry (Merehead Quarry), Cranmore, Somerset, England, UK.
16 mm. (Author: Ru Smith)
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Calcite with apophyllite
Onion River, near Lutsen, Cook County, Minnesota, USA
9 X 7 X 6 cm
Two calcites, entwined like lovers, with a few apophyllites. (Author: John Nash)
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Calcite with Chalcopyrite
Brushy Creek Mine, Viburnum Trend District, Reynolds Co., Missouri
Specimen size 12.8 x 8.5 cm (Author: am mizunaka)
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Calcite with Copper
Quincy Mine
Pewabic Amygdaloid Lodes
Houghton County, Michigan
United States of America
12.1 x 9.8 x 6.5 cm overall (Author: GneissWare)
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Calcite with Copper
Keweenaw Peninsula, Michigan
Specimen size 8.5 x 5.2 cm. (Author: am mizunaka)
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Calcite with Dolomite
Benchmark Quarry, St Johnsville, Montgomery Co., New York
4.5 x 5 cm (Author: am mizunaka)
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Calcite with dolomite and chalcopyrite
Sweetwater Mine, Reynolds County, Missouri (Author: John S. White)
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Calcite with Dolomite and Sphalerite
Picher Field, Tri-State District, Ottawa Co., Oklahoma, USA
Specimen size: 12x11 cm.
Main crystal: 4´5 cm.
Photo: geoalfon (Author: Jordi Fabre)
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Calcite with Galena
Mid-Continent Mine
Treece, Kansas
4.0cm x 5.7cm (Author: rweaver)
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Calcite with Hematite
Beckermet Mine, Egremont, Cumbria, England, UK
13x8x6 cm overall size. (Author: Jesse Fisher)
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Calcite with inclusions
Matlock, Derbyshire, Inglaterra / Reino Unido
Main crystal size: 7 × 4 cm (Autor: Jordi Fabre) -
Calcite with inclusions
Matlock, Derbyshire, Inglaterra / Reino Unido
11.4 × 9.8 × 5.6 cm (Autor: Jordi Fabre) -
Calcite with Marcasite inclusions on Dolomite and Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
geode is about 14 cm, cavity is about 10 cm, larg (Autor: Bob Harman) -
Calcite with Marcasite inclusions on Dolomite and Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
geode is about 14 cm, cavity is about 10 cm, larg (Autor: Bob Harman) -
Calcite with Marcasite inclusions on Dolomite and Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
geode is about 14 cm, cavity is about 10 cm, larg (Autor: Bob Harman) -
Calcite with Marcasite inclusions on Dolomite
Afloramientos Carretera Estatal 56, Canton, Condado Washington, Indiana, USA
specimen is 9 cm, the calcites are up to 1.2 cm (Autor: Bob Harman) -
Calcite with pyrite inclusions
Linwood Mine, Buffalo, Iowa, USA
12.5 X 8 X 6 cm.
Incredible clear calcite crystals with tiny, sparkling pyrite crystals inside. Truly remarkable. (Author: John Nash)
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Calcite with Sphalerite on Calcite
Elmwood Mine, Middle Tennessee District, Carthage, Smith County, Tennessee, USA
160 x 140 x 117 mm
A lustrous, twinned crystal of golden Calcite measuring 107 x 83 x 36 mm is perched on a plate of limestone matrix covered with sparkling,
clear scalenahedrons of Calcite. Bright rich-red Sphalerite crystals to 14 mm generously cover the specimen (Author: GneissWare)
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Calcite with sphalerite, Denton Mine (10 cm across). (Author: Jesse Fisher)
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Calcite, "axe head" twin.
Bonsal Moor, Derbyshire, England, UK.
4 cm. (Author: Ru Smith)
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Calcite, amethyst
Juchem quarry, Niederfischbach, Hunsrück, Rhineland-Palatinate, Germany
Picture width 10 cm (Author: Andreas Gerstenberg)
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Calcite, Aragonite and Dolomite (variety ferroan) on Quartz
Keokuk, Condado Lee, Iowa, USA
geode is about 3.3 cm, calcite is 0.7 cm, aragonit (Autor: Bob Harman) -
Calcite, Aragonite and Dolomite (variety ferroan) on Quartz
Keokuk, Condado Lee, Iowa, USA
geode is about 3.3 cm, calcite is 0.7 cm, aragonit (Autor: Bob Harman) -
Calcite, Aragonite
Cantera Laie Concrete, Laie, Isla Oahu, Condado Honolulu, Hawaii, USA
5.5 cm x 4 cm x 5 cm (Autor: tar4ntula) -
Calcite, Barite and Dolomite on Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
geode is 22 cm x 18 cm. The largest doubly termina (Autor: Bob Harman) -
Calcite, Barite, Dolomite (variety iron rich dolomite) on Quartz
Barranco Mission Valley, Condado Monroe, Indiana, USA
geode is 22 cm x 22 cm. The largest calcite is (Autor: Bob Harman)Calcite, Barite, Dolomite (variety iron rich dolomite) on Quartz
Barranco Mission V -
Calcite, Baryte and Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
Geode is 23 cm. The larger calcite is 7.5 cm; the (Autor: Bob Harman) -
Calcite, Baryte
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
21 x 13,5 cm (Autor: Sante Celiberti) -
Calcite, Blacksburg, Virginia. Crystal 1 mm across the top. RPR #4656. (Author: Pete Richards)
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Calcite, collected 1922.
Rodderup/Rotherhope Fell Mine, Alston Moor, Cumbria, England, UK.
67 mm. (Author: Ru Smith)
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Calcite, collected 1922.
Rodderup/Rotherhope Fell Mine, Alston Moor, Cumbria, England, UK.
67 mm. (Author: Ru Smith)
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Calcite, Dolomite, Barite and Sphalerite on Quartz
Afloramientos Carretera Estatal 37, Harrodsburg, Clear Creek, Condado Monroe, Indiana, USA
the largest doubly terminated calcite is 7 cm (Autor: Bob Harman) -
Calcite, Dolomite, Fluorite
Mina Himmlisch Heer, Cunersdorf, Annaberg-Buchholz, Distrito Annaberg, Erzgebirgskreis, Sajonia/Sachsen, Alemania
11 x 8 cm (Autor: Andreas Gerstenberg) -
Calcite, Dolomite
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
11 x 6 cm (Autor: Sante Celiberti) -
calcite, Dolomite
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
91 x 68 mm (Autor: Sante Celiberti) -
Calcite, Dolomite
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
91 x 68 mm (Autor: Sante Celiberti) -
Calcite, Fluorite
Hardin Co., Illinois, USA
6.7 x 4.1 x 4.0 cm (Author: am mizunaka)
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Calcite, Galena, Pyrite
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
59 x 42 mm (Autor: Sante Celiberti) -
Calcite, Galena, Pyrite
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
59 x 42 mm (Autor: Sante Celiberti) -
Calcite, Galena
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
63 x 45 mm (Autor: Sante Celiberti) -
Calcite, Galena
Mina San Giovanni, Punta della Torre, Iglesias, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
78 x 57 mm (Autor: Sante Celiberti) -
Calcite, heulandite and chabazite
Upper New Street quarry, Paterson, Passaic County, New Jersey, USA
9.3 x 9.1 cm
A 6.4 cm doubly terminated calcite on chabazite (Author: Frank Imbriacco)
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Calcite, heulandite and chabazite
Upper New Street quarry, Paterson, Passaic County, New Jersey, USA
7 x 4.4 cm
A 5 cm butterfly twin calcite crystal with heulandite, chabazite and datolite (Author: Frank Imbriacco)
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Calcite, Lincoln quarry, York Co., 7 cm across. (Author: John S. White)
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Calcite, Marcasite, Sphalerite
Mina Diepenlinchen, Stolberg, Distrito Mansfeld-Südharz, Harz, Sajonia-Anhalt/Sachsen-Anhalt, Alemania
8,5 x 7,5 cm (Autor: Andreas Gerstenberg) -
Calcite, Marcasite
Silius, Ciudad metropolitana de Cagliari, Cerdeña/Sardegna, Italia
67,5 x 53 mm (Autor: Sante Celiberti) -
Calcite, Pyrite
Hampstead Farm Quarry, Chipping Sodbury, Gloucestershire, England, UK
Overall height is 45mm
It shows separate calcite growth phases very clearly, the earlier phase being coated with a later phase of pyrite.
Photo & Specimen kindly supplied by Ian Jones. Thanks Ian! (Author: James)
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Calcite, Quartz
Roncari Quarry, East Granby, Hartford Co., Connecticut, USA
8.2 x 5.0 cm (Author: am mizunaka)
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Calcite, Quartz
Roncari Quarry, East Granby, Hartford Co., Connecticut, USA
8.2 x 5.0 cm (Author: am mizunaka)
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Calcite, quartz
Strassburg adit, Friedrich-Christian mine, Schapbach, Black Forest, Baden-Württemberg, Germany
10 x 7 cm (Author: Andreas Gerstenberg)
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Calcite, Quartz, and Prehnite
Roncari quarry, East Granby, Hartford Co., Connecticut
Specimen size 7.2 x 4.7 x 4.5 cm. (Author: am mizunaka)
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Calcite, Quartz, Muscovite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
Detail (Author: am mizunaka)
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Calcite, Quartz, Muscovite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
Detail (Author: am mizunaka)
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Calcite, Quartz, Muscovite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
8.3 x 6.5 cm (Author: am mizunaka)
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Calcite, Quartz
Mina Santa Lucia, Fluminimaggiore, Provincia Sud Sardegna, Cerdeña/Sardegna, Italia
42,6 x 33 mm (Autor: Sante Celiberti) -
Calcite, Rutile, Muscovite, and Dolomite
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA
Specimen size 7.1 x 4 cm. (Author: am mizunaka)
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Calcite, Shippensburg quarry, Cumberland Co. The crystal is 2.5 cm tall. (Author: John S. White)
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Calcite, Siderite
Mina San Leone, Assemini, Ciudad metropolitana de Cagliari, Cerdeña/Sardegna, Italia
62 x 48 mm (Autor: Sante Celiberti) -
Calcite, Sphalerite
Elmwood Mine Tennessee USA
22 x 21 x 18 cm (Author: Don Lum)
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Calcite, sphalerite and galena on limestone matrix
Elmwood mine, Carthage, Smith Co., Tennessee
10x10x9 cm
(Author: Turbo)
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Calcite, Sphalerite, Barite, Quartz
Mina Elmwood, Carthage, Distrito Central Tennessee Ba-F-Pb-Zn, Condado Smith, Tennessee, USA
8.5x5.5x4.5 cm (Autor: Turbo) -
Calcite, sphalerite
Mina Elmwood, Carthage, Distrito Central Tennessee Ba-F-Pb-Zn, Condado Smith, Tennessee, USA
Specimen height 7 cm, calcite crystal 5,5 cm (Autor: Tobi) -
Calcite.
Cambokeels, Weardale, Co Durham, England, UK.
14 cm specimen with lustrous crystals to 35 mm. (Author: Ru Smith)
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Calcite.
Wetgrooves Mine, Aysgarth, Wensleydale, North Yorkshire, England, UK
42 mm floater. (Author: Ru Smith)
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Calcite
10.6 x 7.5 x 6.1 cm
(Author: Michael Shaw)
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Calcite
401K Crystal Chamber, South Meikle Main Ramp, Meikle Mine, Bootstrap District, near Carlin, Elko County, Nevada, USA
158 x 112 x 100 mm
A very attractive specimen of numerous large, lustrous, translucent-white crystals of Calcite to 48 mm with prominent striations and twinning perched on a matrix of complexly intergrown, greenish scalenahedrons of Calcite to 28 mm. (Author: GneissWare)
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calcite
Annabel Lee Mine, Harris Creek District, Hardin County, Illinois
11x8x5 cm overall size (Author: Jesse Fisher)
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Calcite
Gallatin Co., Montana
Specimen size 6 x 3.7 cm. (Author: am mizunaka)
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Calcite
Hovland, Cook County, Minnesota, USA
6.6 cm. x 5.2 cm.
Photo: Bob Weaver
One image of a Calcite, kindly supplied by Bob Weaver for Minessota, a state where apparently is hard to find minerals from.
Again, thank you Bob! (Author: Jordi Fabre)
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Calcite
Linwood Mine, Buffalo, Scott County, Iowa, USA
5x3,9x2,8 cm. (Author: Jordi Fabre)
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