IMA mineral species
Mariinskite
BeCr₂O₄
Oxide mineral, olivine structural group.
Properties
⛏ Mohs hardness8.5
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
⚖ Density4.621 g/cm³
Very heavy
🔷 Orthorhombic✏️ streak bright green
| Chemical formula | BeCr₂O₄ |
|---|---|
| Elements | Be, Cr, O |
| Crystal system | Orthorhombic |
| Mohs hardness | 8.5 |
| Density | 4.621 g/cm³ |
| Streak | bright green |
| Color | — |
| IMA symbol | Mii |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Malysheva mine, Russia
Learn more
- Mariinskite on Mindat.org
- Wikidata item Q15962248 (source of this page's data – you can correct it there)
IMA mineral species
8–9
Orthorhombic