IMA mineral species

Florensovite

Cu(Cr₁.₅Sb₀.₅)S₄

Spinel, sulfide mineral.

Black

Properties

⛏ Mohs hardness5
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💅🪙🍶🔪💎

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

🔷 Cubic✏️ streak black
Chemical formulaCu(Cr₁.₅Sb₀.₅)S₄
ElementsCu, Cr, Sb, S
Crystal systemCubic
Mohs hardness5
Density—
Streakblack
Colorblack
IMA symbolFrs
Nickel–Strunz class2.DA.05

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

🌍 Where it's found

Type locality (where it was first described): Pereval marble quarry, 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.