Crystopedia
IMA mineral species

Achávalite

🪶 Soft, Scratches Easily

FeSe

Selenide mineral.

Gray

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

Properties

⛏ Mohs hardness2.5
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💅🪙🍶🔪💎

Scratches with a fingernail.

⚖ Density4.941 g/cm³
Very heavy
🔷 Hexagonal
Chemical formulaFeSe
ElementsFe, Se
Crystal systemHexagonal
Mohs hardness2.5
Density4.941 g/cm³
Streak—
Color—
IMA symbolAhv
Nickel–Strunz class2.CC.05

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 2.5: 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): Cerro de Cacheuta, Argentina

  • 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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