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Formula: PbSnS2
Sulphide, forms a series with herzenbergite,
tin-bearing mineral
Crystal System: Orthorhombic
Specific gravity: 6.36 measured, 6.57 calculated
Hardness: 1½ to 2
Streak: Black
Colour: Silvery grey, lead-grey to iron-grey; tarnishes dull or iridescent
Common impurities: Fe
Environments
Teallite is a hydrothermal mineral found in tin veins, associated with
cassiterite,
stannite, franckeite,
cylindrite, galena,
sphalerite, wurtzite and
pyrite
(HOM).
Localities
At the type locality, the Santa Rosa vein, El Salvador Mines, Monserrat-Antequera mining district, Pazña, Poopó
Province, Oruro, Bolivia,
teallite is associated with wurtzite and
greenockite
(Mindat).
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