IMA mineral species

Adamite

🪶 Soft, Scratches Easily

Zn₂AsO₄(OH)

Arsenate mineral.

RedYellowGreenBlueBrownWhite & Clear

Adamite specimen
Adamitemexique1.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness3.5
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💅🪙🍶🔪💎

A copper coin scratches it.

⚖ Density4.234 g/cm³
Heavy
Chemical formulaZn₂AsO₄(OH)
ElementsZn, As, O, H
Crystal systemOrthorhombic
Mohs hardness3.5
Density4.234 g/cm³
Streak—
Color—
IMA symbolAd
Nickel–Strunz class8.BB.30

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 3.5: 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): Chañarcillo, Chile

  • 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.