Properties
⛏ Mohs hardness1.5
💅🪙🍶🔪💎
Scratches with a fingernail.
| Chemical formula | Ca₅(AsO₃OH)₂(AsO₄)₂·9H₂O |
|---|---|
| Elements | Ca, As, O, H |
| Crystal system | — |
| Mohs hardness | 1.5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Gué |
| Nickel–Strunz class | 8.CJ.75 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 1.5: 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): Daniel mine, Germany
Learn more
- Guérinite on Mindat.org
- Wikidata item Q3780116 (source of this page's data – you can correct it there)
IMA mineral species
1–2
Soft, Scratches Easily