Sorbyite

minerals

twinnite

semseyite

guettardite

Formula: Pb9Cu(Sb,As)11S26
Sulphosalt
Specific gravity: 5.52
Hardness: 3½ to 4
Streak: Black
Colour: Lead grey
Environments:

Hydrothermal environments

Sorbyite is of hydrothermal origin in marble or limestone, replacing pyrite and sphalerite and associated with with other lead-arsenic-antimony sulphides (Webmin).

Localities

At the type locality, the Taylor Pit, Huntingdon Township, Madoc area, Hastings County, Ontario, Canada, sorbyite is of hydrothermal origin, in a deposit in marble. Associated minerals include boulangerite, jamesonite, antimony-rich baumhauerite, zinkenite, semseyite, geocronite and robinsonite (HOM).

At Novoye, Khaidarkan Sb-Hg deposit, Fergana Valley, Alai Range, Osh Oblast, Kyrgyzstan, sorbyite occurs in a hydrothermal deposit in limestone, replacing pyrite and sphalerite, with other lead-arsenic-antimony sulphides. Associated minerals include sphalerite, pyrite, galena, playfairite, twinnite, guettardite, baumhauerite, realgar, orpiment, cinnabar, fluorite and quartz (HOM).

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