IMA mineral species
Franzinite
(Na,K)₆Ca₂(Al₆Si₆O₂₄)(SO₄)₂·2H₂O
Tectosilicate mineral.
Properties
| Chemical formula | (Na,K)₆Ca₂(Al₆Si₆O₂₄)(SO₄)₂·2H₂O |
|---|---|
| Elements | Na, K, Ca, Al, Si, O, S, H |
| Crystal system | Trigonal |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Frz |
| 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): Case Collina, Italy
- 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
- Franzinite on Mindat.org
- Wikidata item Q3752212 (source of this page's data – you can correct it there)
IMA mineral species
Trigonal