 Cadmoindite

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.