Geological George
Crystals, Fossils and Mineral Specimens
0

SPEC1013 Heulandite on Mordanite, India. The contrast between the orange heulanite and the snowy mordanite is striking. 82mm x 63mm $42

Non-returnable
Green gypsum is quite rare compared to regular gypsum. Its distinct green coloration, caused by trace elements like copper or iron, occurs only in specific and uncommon geological environments. This makes green gypsum a unique and less frequently encountered variety.


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