| 22hhqc.ir ((CHALCANTHITE)), $20 MINIMUM BID, Dugway property, Dugway Mountains Mining District, Dugway Range, Tooele County, Utah, 4 x 2 x 2 cm, Miniature | |
 | Thick blue Chalcanthite which is hydrous copper sulfate and water soluble. Keep away from humidity but also away from hear and direct hot sun or it will lose its water content and turn powdery white. This one was collected many years ago and outlasted many of its brothers and sisters. Without humidity and hear it will last forever. ex Gold Bar Mining Company. |
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