IMA mineral species

Claraite

🪶 Soft, Scratches Easily

(Cu,Zn)₁₅(CO₃)₄(AsO₄)₂(SO₄)(OH)₁₄*₇H₂O

Carbonate mineral.

Claraite specimen
Claraite-95017.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness2
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💅🪙🍶🔪💎

Scratches with a fingernail.

Chemical formula(Cu,Zn)₁₅(CO₃)₄(AsO₄)₂(SO₄)(OH)₁₄*₇H₂O
ElementsCu, Zn, C, O, As, S, H
Crystal systemTrigonal
Mohs hardness2
Density—
Streak—
Color—
IMA symbolClar
Nickel–Strunz class5.DA.30

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 2: 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): Clara mine, Germany

  • 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.