Novákite, Quartz
Černý Důl, Trutnov District, Hradec Králové Region, Czech Republic
3.0 x 1.7 x 1.5 cm. Novakite is a very rare copper, silver arsenide found in only three localities worldwide and was discovered in 1959. This specimen, dating to 1961, is from the Type Locality in Bohemia. Pods and stringers of matte, metallic-gray, massive novakite are scattered on all sides of the quartz matrix. The largest pod is 8 mm across. ...
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