IMA mineral species
Tokkoite
K₂Ca₄[Si₇O₁₈(OH)](OH,F)
Inosilicate mineral.
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Properties
| Chemical formula | K₂Ca₄[Si₇O₁₈(OH)](OH,F) |
|---|---|
| Elements | K, Ca, Si, O, H, F |
| Crystal system | — |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Tok |
| Nickel–Strunz class | 9.DG.75 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Murunskii massif, Russia
Learn more
- Tokkoite on Mindat.org
- Wikidata item Q3992268 (source of this page's data – you can correct it there)
IMA mineral species