Gypsum
Mount Gunson Copper mines, Pernatty Lagoon, South Australia, Australia
3.7 x 3.0 x 1.6 cm
Gypsum is found all over the world, but for the most part, it doesn't occur in brightly colored crystals often. The specimens from Mount Gunson Copper mines sometimes occur in bright green specimens, which are completely natural, and colored by Copper solutions. This piece is filled with small, prismatic strong green Gypsum ...
© Brian Kosnar - Mineral Classics