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Formula: Cu1+(Fe2+0.5Sn4+1.5)S4
Sulphide, carrollite subgroup,
thiospinel group,
spinel supergroup,
Crystal System: Tetragonal
Specific gravity: 4.79 calculated
Hardness: 4
Streak:
Colour: Red-purple, grey
Luminescence:
Solubility:
Common impurities:
Environments
Localities
The type locality, Vila Apacheta, Rafael Bustillo Province, Potosí, Bolivia, is a source of
tin ore in Cretaceous (145 to 66 million years ago) calcareous
sandstone. Rhodostannite occurs associated with
stannite, of which it appears to be an alteration product, and
pyrite
(AM 54.1218, HOM).
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