Properties
⛏ Mohs hardness4
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
⚖ Density4.13 g/cm³
Heavy
| Chemical formula | Mn²⁺Mn³⁺O(PO₄) |
|---|---|
| Elements | Mn, O, P |
| Crystal system | Monoclinic |
| Mohs hardness | 4 |
| Density | 4.13 g/cm³ |
| Streak | — |
| Color | — |
| IMA symbol | Joo |
| Nickel–Strunz class | 8.BB.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 4: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
Learn more
- Joosteite on Mindat.org
- Wikidata item Q19860864 (source of this page's data – you can correct it there)
IMA mineral species
4–5
Monoclinic
Soft, Scratches Easily