Category Telluride mineral Strunz classification 2.BA.30 | Formula
(repeating unit) Cu7Te5 Space group Pmmn | |
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Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m) Color Red-violet (fresh), darkens Crystal system Orthorhombic crystal system | ||
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Rickardite is a copper telluride mineral (Cu7Te5) or Cu3-x (x = 0 to 0.36)Te2. It was first described for an occurrence in the Good Hope Mine, Vulcan district, Gunnison County, Colorado, US, and named for mining engineer Thomas Arthur Rickard (1864–1953) (Thomas Rickard is his cousin). It is a low temperature hydrothermal mineral that occurs associated with vulcanite, native tellurium, cameronite, petzite, sylvanite, berthierite, pyrite, arsenopyrite and bornite.
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References
Rickardite Wikipedia(Text) CC BY-SA