IMA mineral species

Ferrochiavennite

🪶 Soft, Scratches Easily

Ca₁₋₂Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂]·2H₂O

Zeolite mineral.

YellowGoldGreenBrown

Properties

⛏ Mohs hardness3
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💅🪙🍶🔪💎

A copper coin scratches it.

🔷 Monoclinic✏️ streak white
Chemical formulaCa₁₋₂Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂]·2H₂O
ElementsCa, Fe, Si, Al, Be, O, H
Crystal systemMonoclinic
Mohs hardness3
Density—
Streakwhite
Coloryellow, light green, beige
IMA symbolFcve

“—” 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): Tuften quarry, Norway · Kokkersvold E18 roadcuts, Norway