IMA mineral species
Kotoite
Mg₃(BO₃)₂
Borate mineral.
Properties
⛏ Mohs hardness6.5
💅🪙🍶🔪💎
Scratches glass; quartz scratches it.
⚖ Density3.11 g/cm³
Average
| Chemical formula | Mg₃(BO₃)₂ |
|---|---|
| Elements | Mg, B, O |
| Crystal system | Orthorhombic |
| Mohs hardness | 6.5 |
| Density | 3.11 g/cm³ |
| Streak | — |
| Color | — |
| IMA symbol | Ko |
| Nickel–Strunz class | 6.AA.35 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Kotoite on Mindat.org
- Wikidata item Q3816643 (source of this page's data – you can correct it there)
IMA mineral species
6–7
Orthorhombic