IMA mineral species

Adelite

CaMgAsO₄(OH)

Arsenate mineral.

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

Properties

⛏ Mohs hardness5
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💅🪙🍶🔪💎

A steel knife scratches it, it won't scratch glass.

Chemical formulaCaMgAsO₄(OH)
ElementsCa, Mg, As, O, H
Crystal systemOrthorhombic
Mohs hardness5
Density—
Streak—
Color—
IMA symbolAde
Nickel–Strunz class8.BH.35

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

🌍 Where it's found

Type locality (where it was first described): Långban, Sweden · Kitteln mine, Nordmark Odal field, Sweden

  • 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.