IMA mineral species
Umbrianite
K₇Na₂Ca₂[Al₃Si₁₀O₂₉]F₂Cl₂
Triple layer phyllosilicate mineral.
Properties
🔷 Orthorhombic✏️ streak white
| Chemical formula | K₇Na₂Ca₂[Al₃Si₁₀O₂₉]F₂Cl₂ |
|---|---|
| Elements | K, Na, Ca, Al, Si, O, F, Cl |
| Crystal system | Orthorhombic |
| Mohs hardness | — |
| Density | — |
| Streak | white |
| Color | — |
| IMA symbol | Ubn |
| Nickel–Strunz class | 9.EB.25 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Vispi quarry, Pian di Celle volcano, 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
- Umbrianite on Mindat.org
- Wikidata item Q19862022 (source of this page's data – you can correct it there)
IMA mineral species
Orthorhombic