Item #KGG-CHL-25: Approx. 2" Chalcanthite crystal specimen. Chalcanthite is a natural, water soluble copper suffate that forms in mine walls of copper deposits. The crystals are grown synthetically from copper suffate solutions.
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Item #KGG-CHL-50: Approx. 3" Chalcanthite crystal specimen. Chalcanthite is a natural, water soluble copper suffate that forms in mine walls of copper deposits. The crystals are grown synthetically from copper suffate solutions.
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