IMA mineral species
Chamosite
(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈
Phyllosilicate mineral member of the chlorite group.
Properties
⛏ Mohs hardness3
💅🪙🍶🔪💎
A copper coin scratches it.
| Chemical formula | (Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈ |
|---|---|
| Elements | Fe, Mg, Al, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | 3 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Chm |
| Nickel–Strunz class | 9.EC.55 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Haut de Cry, Switzerland
- 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.
Varieties & related stones
Learn more
- Chamosite on Mindat.org
- Wikipedia article
- Wikidata item Q420478 (source of this page's data – you can correct it there)
IMA mineral species
3–4
Monoclinic
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