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Formula: Cu2Pb2Bi4S9
Sulphosalt, member of the
aikinite-bismuthinite series
Crystal System: Orthorhombic
Specific gravity: 6.734 measured, 7.05 calculated
Hardness: 3 to 4
Streak: Black
Colour: Steel-grey with a red tint
Environments
Hammarite occurs in hydrothermal veins. Common associates include
andradite, bismuthinite,
chalcopyrite, grossular,
padĕraite and pekoite
(Mindat).
Localities
At the Băiţa mining district, Nucet, Bihor, Romania, hammarite is associated with
padĕraite, pekoite,
bismuthinite,
chalcopyrite, grossular and
andradite
(HOM).
At the Dzhida W-Mo District, Zakamensk District, Dzhida Basin, Buriatia Republic, Zabaykalsky Krai, Russia,
hammarite is associated with pyrite and
sphalerite
(HOM).
At the type locality, the Gladhammar mines, Västervik, Kalmar County, Sweden, hammarite occurs as crystals on
drusy quartz
(AM 10.157).
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