Germanite

minerals

tennantite

renierite

enargite

Images
Formula: Cu13Fe2Ge2S16
Germanium-bearing sulphide, germanite group
Specific gravity: 4.46 to 4.59
Hardness: 4
Streak: Dark grey
Colour: Pale greyish pink, tarnishing brown to black
Common impurities: Ga,Zn,Mo,As,V
Environments

Hydrothermal environments

Germanite occurs in primary copper-lead-zinc ores (Webmin) associated with renierite, pyrite, tennantite, enargite, galena, sphalerite, digenite, bornite and chalcopyrite (HOM).

Localities

At the type locality, the Tsumeb mine, Tsumeb, Oshikoto Region, Namibia, germanite occurs in primary copper-lead-zinc ores in a dolostone-hosted hydrothermal polymetallic ore deposit (HOM). Associated minerals include tennantite, renierite, pyrite, galena, enargite, digenite and bornite (Mindat).

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