Indite: Properties and Occurrences

Indite is an extremely rare indium-iron sulfide mineral, found in Siberia. Its chemical formula is FeIn2S4. Indite is that mineral is (geology) any naturally occurring inorganic material that has a (more or less) definite chemical composition and characteristic physical properties while indite is (mineralogy) an extremely rare indium-iron sulfide mineral.

General Information

  • Category: Sulfide mineral (Spinel structural group)
  • Formula: FeIn2S4
  • Crystal system: Cubic
  • Crystal class: Hexoctahedral (m3m)


  • Color: Black
  • Crystal habit: Massive, granular
  • Mohs scale hardness: 5
  • Luster: Metallic
  • Diaphaneity: Opaque
  • Specific gravity: 4.67


It occurs as a replacement of cassiterite in hydrothermal deposits. It is associated with dzhalindite, cassiterite, and quartz. It was first described in 1963 for an occurrence in the Dzhalinda tin deposit, Malyi Khingan Range, Khabarovskiy Kray, Far-Eastern Region, Russia.


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