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QUARTZ--SILVER POINT CLAIM, OURAY COUNTY, COLORADO 3 1/4" x 1 7/8" x 1 3/4" |
This specimen is not for sale, and was archived from an external source for the purpose of preserving and sharing its geologic, geographic, and collector value. |
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Description: Ouray County. Size: 3 1/4" x 1 7/8" x 1 3/4". After cleaning with oxalic acid, they still have a coating of microcrystalline quartz or clay, and have to be cleaned briefly in hydrofluoric acid to remove the coating.
Winning Bid: USD $25 - 2 bids (Year Sold: 2021 )
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