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Formula: CdIn2S4
Sulphide, linnaeite subgroup,
thiospinel group,
spinel supergroup,
cadmium- and indium- bearing mineral
Crystal System: Isometric
Streak: Brown
Colour: Black to dark brown, red in thin slivers
Environments
Localities
At the type locality, the Kudriavy volcano, Iturup Island, Kurilsky District, Kuril Islands, Sakhalin Oblast, Russia,
cadmoindite occurs as high-temperature fumarolic crusts of the stratovolcano (Webmin). It is found as
well formed, sharp, octahedral crystals to 0.15 mm around the vent of a high-temperature (450–600°C) fumarole.
Associated Minerals include pyrite,
cadmium-bearing wurtzite, rhenium
disulphide, greenockite and
lead-bismuth sulphide
(HOM).
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