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| has gloss | eng: Stamp sand is a coarse sand left over from the processing of ore in a stamp mill. In the United States, the most well-known deposits of stamp sand are in the Copper Country of northern Michigan, where it is black or dark grey, and may contain hazardous concentrations of trace metals. |
| lexicalization | eng: stamp sand |
| instance of | c/Metallurgical processes |
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| media:img | Stampsand.JPG |
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