IMA mineral species
Turtmannite
(Mn,Mg)₂₂.₅Mg₃-₃x((V₅+,As₅+)O₄)₃(As³⁺O₃)x(SiO₄)₃O₅-₅x(OH)₂₀+x
Vanado-silicate mineral.
Properties
| Chemical formula | (Mn,Mg)₂₂.₅Mg₃-₃x((V₅+,As₅+)O₄)₃(As³⁺O₃)x(SiO₄)₃O₅-₅x(OH)₂₀+x |
|---|---|
| Elements | Mn, Mg, V, As, O, Si, H |
| Crystal system | — |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Tt |
| Nickel–Strunz class | 8.BE.45 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Turtmanntal, Switzerland · Turtmanntal, 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.
Learn more
- Turtmannite on Mindat.org
- Wikidata item Q4000717 (source of this page's data – you can correct it there)
IMA mineral species