IMA mineral species
Fantappièite
[Na₈₂.₅Ca₃₃K₁₆.₅]Σ=₁₃₂(Si₉₉Al₉₉O₃₉₆)(SO₄)₃₃·6H₂O
Tectosilicate mineral.
Properties
| Chemical formula | [Na₈₂.₅Ca₃₃K₁₆.₅]Σ=₁₃₂(Si₉₉Al₉₉O₃₉₆)(SO₄)₃₃·6H₂O |
|---|---|
| Elements | Na, Ca, K, Si, Al, O, S, H |
| Crystal system | Trigonal |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Ftp |
| Nickel–Strunz class | 9.FB.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Stracciacappe caldera, Italy
Learn more
- Fantappièite on Mindat.org
- Wikidata item Q19833616 (source of this page's data – you can correct it there)
IMA mineral species
Trigonal