Properties
⛏ Mohs hardness8.5
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
⚖ Density6.92 g/cm³
Very heavy
| Chemical formula | Cr₃C₂ |
|---|---|
| Elements | Cr, C |
| Crystal system | Orthorhombic |
| Mohs hardness | 8.5 |
| Density | 6.92 g/cm³ |
| Streak | — |
| Color | — |
| IMA symbol | Tgb |
| Nickel–Strunz class | 1.BA.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Tongbai County, People's Republic of China
- Type locality
- Notable source / deposit
- Country of origin
Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.
Learn more
- Tongbaite on Mindat.org
- Wikipedia article
- Wikidata item Q3993046 (source of this page's data – you can correct it there)
IMA mineral species
8–9
Orthorhombic
YellowPurpleBrown