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Formula: Pb9Sb22S42
Sulphosalt
Specific gravity: 5.25 to 5.35
Hardness: 3 to 3½
Streak: Steel-grey
Colour: Steel-grey
Common impurities: Ag,Cu,Fe,As
Environments:
Zinkenite is a constituent mineral in hydrothermal veins associated with base metal deposits, tin sulphides and sulphosalts
(Webmin, HOM).
Associated minerals include stibnite,
jamesonite, boulangerite,
bournonite, plagionite,
fülöppite, cassiterite,
stannite, andorite,
pyrite, sphalerite,
chalcopyrite, arsenopyrite
and galena.
(HOM)
At the Ramona mine, Cripple Creek mining district, Colorado, USA, zinkenite is associated with
krennerite.
(MinRec 36.2.182)
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