Rickardite

rickardite

tellurium

petzite

berthierite

Images

Formula: Cu3-xTe2
Telluride
Specific gravity: 7.54
Hardness: 3½
Streak: Red
Colour: Red-violet (fresh), darkens
Environments

Hydrothermal environments

Rickardite is a late-stage mineral of low-temperature hydrothermal origin in some tellurium-bearing mineral deposits. Associated minerals include vulcanite, tellurium, cameronite, petzite, sylvanite, berthierite, pyrite, arsenopyrite and bornite (HOM).

Localities

At the type locality, the Good Hope mine, Vulcan, Vulcan Mining District, Gunnison county, Colorado, USA, rickardite is associated with tellurium, petzite, berthierite and pyrite (AM 34.441-451).

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