| 21hhdw.is ((CHALCANTHITE)), $30 MINIMUM BID, Bingham Canyon Mine, Salt Lake City, Utah, 2.5 to .3 cm, Many many Thumbnails | |
_small.jpg) | Blue Chalcanthite, which is Copper Sulphate and water soluble, from the Open Pit Copper Mine in Utah. Old collection from the father of a current resident of Salt Lake. Many thumbnails could be made. The large picture is actually 2 inch high and 7 inch wide. The brown is the inside of a box 4 x 7 inches. |
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