Crystopedia
IMA mineral species

Ekatite

🪶 Soft, Scratches Easily

(Fe³⁺,Fe²⁺,Zn)₁₂(AsO₃)₆(AsO₃,HSiO₄)₂(OH)₆

Arsenite mineral.

Properties

⛏ Mohs hardness3
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💅🪙🍶🔪💎

A copper coin scratches it.

⚖ Density4.061 g/cm³
Heavy
🔷 Hexagonal
Chemical formula(Fe³⁺,Fe²⁺,Zn)₁₂(AsO₃)₆(AsO₃,HSiO₄)₂(OH)₆
ElementsFe, Zn, As, O, H, Si
Crystal systemHexagonal
Mohs hardness3
Density4.061 g/cm³
Streak—
Color—
IMA symbolEkt
Nickel–Strunz class4.JB.75

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 3: 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.

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