IMA mineral species

Kaliochalcite

🪶 Soft, Scratches Easily

KCu₂(SO₄)₂[(OH)(H₂O)]

Sulfate mineral.

Properties

⛏ Mohs hardness4
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💅🪙🍶🔪💎

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

⚖ Density3.49 g/cm³
Heavy
Chemical formulaKCu₂(SO₄)₂[(OH)(H₂O)]
ElementsK, Cu, S, O, H
Crystal systemMonoclinic
Mohs hardness4
Density3.49 g/cm³
Streak—
Color—
IMA symbolKch

“—” 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): Arsenatnaya fumarole · Yadovitaya fumarole

  • 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.