Lautite

minerals

proustite

paxite

rammelsbergite

Formula: CuAsS
Sulphide
Specific gravity: 4.91
Hardness: 3½
Streak: Black
Colour: Black, steel-grey with reddish tone
Environments

Hydrothermal environments

Lautite occurs in hydrothermal veins formed at a moderate temperature (Webmin, HOM).

Localities

At Gabe Gottes mine, France, lautite is associated with arsenic, bismuth, tennantite, löllingite, rammelsbergite, proustite and quartz (HOM).

At Lauta, Germany, lautite is associated with arsenic, tennantite, proustite, chalcopyrite, galena and baryte (HOM).

At Niederbeerbach, Germany, lautite is associated with kutinaite and paxite (HOM).

The type locality is the Rudolph Shaft, Lauta, Marienberg District, Erzgebirgskreis, Saxony, Germany, where lautite is associated with tennantite, arsenic, proustite, chalcopyrite, galena and baryte (Mindat).

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