16hhkk.r ((COPIAPITE, HALOTRICHITE)), $10 MINIMUM BID, Lark Mine, Bingham Canyon, Salt Lake County, Utah, 1.2 x 1 x .5 cm, Thumbnail | |
Copiapite is an iron sulphate species and water soluble. This was from an old Salt Lake collection and says Copiapite, Fe Sulphate, Lark. Lark was an old mine the got gobbled up as the Bingham Copper open pit mine got larger and larger. The specimen also has small white clusters of acicular crystals of Halotrichite |