Crystopedia
IMA mineral species

Černýite

Cu₂CdSnS₄

Sulfosalt mineral.

Černýite specimen
Mineralogy and Distribution of Critical Elements in the Sn–W–Pb–Ag–Zn Huanuni Deposit, Bolivia - Figure 4b (cropped).png · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness3 – 5
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💅🪙🍶🔪💎

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

⚖ Density4.659 g/cm³
Very heavy
🔷 Tetragonal
Chemical formulaCu₂CdSnS₄
ElementsCu, Cd, Sn, S
Crystal systemTetragonal
Mohs hardness3 – 5
Density4.659 g/cm³
Streak—
Color—
IMA symbolČný
Nickel–Strunz class2.CB.15a

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

🌍 Where it's found

Type locality (where it was first described): Tanco mine, Canada

  • 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.

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