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Cadmoindite
Cadmium indium sulfide mineral / From Wikipedia, the free encyclopedia
Cadmoindite (CdIn2S4) is a rare cadmium indium sulfide mineral discovered in Siberia around the vent of a high-temperature (450–600 °C) fumarole at the Kudriavy volcano, Iturup Island in the Kuril Islands. It has also been reported from the Kateřina Coal Mine in Bohemia, Czech Republic.[3]
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Cadmoindite | |
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![]() Cadmoindite, from Kudriavy Volcano, Far Eastern Region, Russian Federation | |
General | |
Category | Sulfide mineral Thiospinel group Spinel structural group |
Formula (repeating unit) | CdIn2S4 |
IMA symbol | Cad[1] |
Strunz classification | 2.DA.05 |
Crystal system | Cubic |
Crystal class | Hexoctahedral (m3m) H-M symbol (4/m 3 2/m) |
Space group | Fd3m |
Unit cell | a = 10.81 Å; Z = 8 |
Identification | |
Formula mass | 470.32 g/mol |
Color | Black to dark brown |
Crystal habit | Microscopic octahedral crystals |
Fracture | Conchoidal |
Luster | Adamantine |
Diaphaneity | translucent |
Optical properties | Isotropic |
References | [2][3] |
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