Properties
⛏ Mohs hardness7
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
⚖ Density6.9 g/cm³
Very heavy
| Chemical formula | CoSe₂ |
|---|---|
| Elements | Co, Se |
| Crystal system | Cubic |
| Mohs hardness | 7 |
| Density | 6.9 g/cm³ |
| Streak | — |
| Color | — |
| IMA symbol | Trg |
| Nickel–Strunz class | 2.EB.05a |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Trogtal quarries, Lautenthal, Germany
- 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
- Trogtalite on Mindat.org
- Wikipedia article
- Wikidata item Q3999609 (source of this page's data – you can correct it there)
IMA mineral species
7–8
Cubic
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