Anhydrite on Calcite and fluorite
Mantos Mixtos, 700-760 Level Naica Mine, Naica, Chihuahua, Mexico
30 cm
Massive plate of golden calcite crystals (on smaller fluorite) with 10 cm anhydrite crystals. (Brother to a piece posted earlier by javmex). Piece now in collection of New Mexico Tech (Author: Peter Megaw)