IMA mineral species
Tsepinite-Ca
(Ca,K,Na)₂₋ₓ(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·4H₂O
Cyclosilicate mineral.
Properties
| Chemical formula | (Ca,K,Na)₂₋ₓ(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·4H₂O |
|---|---|
| Elements | Ca, K, Na, Ti, Nb, Si, O, H |
| Crystal system | — |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Tsp-Ca |
| Nickel–Strunz class | 9.CE.30b |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Hackman valley, Russia
- 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
- Tsepinite-Ca on Mindat.org
- Wikidata item Q3999940 (source of this page's data – you can correct it there)
IMA mineral species