IMA mineral species
Povondraite
NaFe³⁺₃(Mg₂Fe³⁺₄)(Si₆O₁₈)(BO₃)₃(OH)₃O
Tourmaline, cyclosilicate mineral.
Properties
⛏ Mohs hardness7
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
| Chemical formula | NaFe³⁺₃(Mg₂Fe³⁺₄)(Si₆O₁₈)(BO₃)₃(OH)₃O |
|---|---|
| Elements | Na, Fe, Mg, Si, O, B, H |
| Crystal system | Trigonal |
| Mohs hardness | 7 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Pov |
| Nickel–Strunz class | 9.CK.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Povondraite on Mindat.org
- Wikipedia article
- Wikidata item Q1889038 (source of this page's data – you can correct it there)
IMA mineral species
7–8
Trigonal
BrownBlack