Tetrahedrite-(Hg)

tetrahedrite-(Hg)

cinnabar

chalcostibite

tetrahedrite

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Formula: Cu6(Cu4Hg2)Sb4S13
Sulphosalt, tetrahedrite subgroup, copper- and antimony- bearing mineral
Environments

Hydrothermal environments

Tennantite-(Hg) was approved as a mineral species in 2019 when tetrahedrite was discredited as a species, whilst remaining approved as a group name.

Localities

There are three co-type localities, Jedová hora, Neřežín, Chaloupky, Beroun District, Central Bohemian Region, Czech Republic, the Buca della Vena mine, Pontestazzemese, Stazzema, Lucca Province, Tuscany, Italy, and the Rožňava mine, Rožňava, Rožňava District, Košice Region, Slovakia.
Tetrahedrite-(Hg) has been approved as a new mineral species using samples from these three localities. It occurs as anhedral grains or as tetrahedral crystals, black in colour, with metallic lustre.
At the Buca della Vena mine it is associated with cinnabar and chalcostibite in dolomite veins.
At Jedová hora, tetrahedrite-(Hg) is associated with baryte and chalcopyrite in quartzsideritedolomite veins.
At the Rožňava mine it is associated with quartz in sideritequartz veins (MM 84.584-592).

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