Pyrite. The only mineral from Mississippi Bob have seen in over 40 years of collecting...
Selma Chalk Formation, Starkville, Mississippi, USA
Specimens size: 3.2 x 2.5 cm.
Photo: Bob Weaver
Bob Weaver provided this photo to lead the Mississippi thread. I hope other people can supply more images of the Mississippi’s minerals.
Thanks Bob! (Author: Jordi Fabre)
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