Chalcanthite
Silver Hill Mine, Silver Hill, Silver Hill Mining District, Carolina Slate Belt, Davidson County, North Carolina, USA
3.9 x 2.5 x 1.5 cm. A stunning, OLD-TIME specimen of glassy, electric-blue chalcanthite crystals richly set on matrix from a HISTORIC North Carolina locality - South Ashmead, Davidson County, now called the Silver Hill Mine. SELDOM on the market in this super quality, as you would expect. Ex. Philadelphia Academy of Sciences Collection.
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