IMA mineral species

Olivenite

🪶 Soft, Scratches Easily

Cu₂(AsO₄)(OH)

Arsenate mineral.

YellowGreenBrownGrayWhite & Clear

Olivenite specimen
Olivenite-89337.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness3
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💅🪙🍶🔪💎

A copper coin scratches it.

Chemical formulaCu₂(AsO₄)(OH)
ElementsCu, As, O, H
Crystal systemOrthorhombic
Mohs hardness3
Density—
Streak—
Color—
IMA symbolOli
Nickel–Strunz class8.BB.30

“—” 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.