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Formula: TlPbAs3S6
Sulphosalt, arsenic- and thallium-
bearing mineral
Crystal System: Orthorhombic
Specific gravity: 5.09 calculated
Hardness: 2½ to 3
Streak: Red
Colour: Brownish black
Common impurities: Sn
Environments
Edenharterite was approved in 1987 but to date (January 2023) it has been reported only from the type locality.
Localities
At the type locality, the Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland, edenharterite occurs as
lathlike crystals in a hydrothermal deposit in dolostone. Associated
minerals include baumhauerite,
realgar, orpiment,
hutchinsonite, hatchite,
wallisite, lorándite,
sartorite, jentschite,
erniggliite, stalderite and
bernardite
(Mindat, HOM).
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