Description
Chalcanthite (Copper Sulphate)
Planet Mine, Lapas County, AR
Size is about 1.5 inches tall by 3 inches long and weighing at 102.4 grams.
Chalcanthite is a bright blue copper sulfate mineral found in the Planet Mine in La Paz County, Arizona. It forms when water with copper in it dries up in dry mine areas, creating shiny blue crystals. These crystals are beautiful and popular with collectors, but they can be toxic and will dissolve in water. Additionally the mineral from this mine shows the interesting and colorful minerals that can form after mining.
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