IMA mineral species
Umbite
K₂ZrSi₃O₉·H₂O
Inosilicate mineral.
Properties
⛏ Mohs hardness4.5
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
| Chemical formula | K₂ZrSi₃O₉·H₂O |
|---|---|
| Elements | K, Zr, Si, O, H |
| Crystal system | Orthorhombic |
| Mohs hardness | 4.5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Umb |
| Nickel–Strunz class | 9.DG.25 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 4.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
🌍 Where it's found
Type locality (where it was first described): Vuonnemiok river valley
Learn more
- Umbite on Mindat.org
- Wikipedia article
- Wikidata item Q4003516 (source of this page's data – you can correct it there)
IMA mineral species
4–5
Orthorhombic
YellowWhite & Clear
Soft, Scratches Easily