IMA mineral species

Cadmoindite

🪶 Soft, Scratches Easily

CdIn₂S₄

Sulfide mineral.

BrownBlack

Cadmoindite specimen
Cadmoindite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness4
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💅🪙🍶🔪💎

A steel knife scratches it, it won't scratch glass.

⚖ Density4.79 g/cm³
Very heavy
Chemical formulaCdIn₂S₄
ElementsCd, In, S
Crystal systemCubic
Mohs hardness4
Density4.79 g/cm³
Streak—
Color—
IMA symbolCad
Nickel–Strunz class2.DA.05

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 4: softer than a steel knife, so it scratches easily. Store it apart from harder stones.

🌍 Where it's found

Type locality (where it was first described): Kudriavy volcano, Russia · Kudriavy volcano, Russia

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.