IMA mineral species

Stranskiite

🪶 Soft, Scratches Easily

Zn₂Cu(AsO₄)₂

Arsenate mineral.

Stranskiite specimen
Stranskiite-578043.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.

⚖ Density4.732 g/cm³
Very heavy
Chemical formulaZn₂Cu(AsO₄)₂
ElementsZn, Cu, As, O
Crystal systemTriclinic
Mohs hardness4
Density4.732 g/cm³
Streak—
Color—
IMA symbolSsk
Nickel–Strunz class8.AB.35

“—” 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): Tsumeb Mine, Namibia

  • 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.