IMA mineral species
Montmorillonite
(Na,Ca)₀.₃₃(Al,Mg)₂(Si₄O₁₀)(OH)₂ * nH₂O
Smectite, phyllosilicate mineral.
Properties
| Chemical formula | (Na,Ca)₀.₃₃(Al,Mg)₂(Si₄O₁₀)(OH)₂ * nH₂O |
|---|---|
| Elements | Na, Ca, Al, Mg, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | 1 – 1.5 |
| Density | 1.8 g/cm³ |
| Streak | — |
| Color | — |
| IMA symbol | Mnt |
| Nickel–Strunz class | 9.EC.40 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Montmorillonite on Mindat.org
- Wikipedia article
- Wikidata item Q422131 (source of this page's data – you can correct it there)
IMA mineral species
1–2
Monoclinic
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