Chamosite
(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈
Phyllosilicate mineral member of the chlorite group
Properties
- Chemical formula
- (Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈
- Group
- Silicates
- Crystal system
- Monoclinic
- Hardness (Mohs)
- 3
- Color
- Green
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.EC.55
- Dana classification
- 71.4.1.7
- IMA status
- Grandfathered mineral (G)
- IMA symbol
- Chm
- Locality
- 🇨🇭 Haut de Cry
- Type locality
- —
- Discovery year
- —
Etymology
Named after Chamoson
Source: Wikidata
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