IMA mineral species
Piemontite
{Ca₂}{Al₂Mn³⁺}(Si₂O₇)(SiO₄)O(OH)
Epidote supergroup, sorosilicate mineral.
Properties
🔷 Monoclinic✏️ streak red
| Chemical formula | {Ca₂}{Al₂Mn³⁺}(Si₂O₇)(SiO₄)O(OH) |
|---|---|
| Elements | Ca, Al, Mn, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | red |
| Color | — |
| IMA symbol | Pmt |
| Nickel–Strunz class | 9.BG.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Piemontite on Mindat.org
- Wikipedia article
- Wikidata item Q425187 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic
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