Properties
| Chemical formula | Tl₄Pb₂(As,Sb)₂₀S₃₄ |
|---|---|
| Elements | Tl, Pb, As, Sb, S |
| Crystal system | Triclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | red |
| IMA symbol | Dnr |
| Nickel–Strunz class | 2.HD.05e |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Lengenbach quarry, Switzerland
- 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
- Dalnegroite on Mindat.org
- Wikidata item Q19833488 (source of this page's data – you can correct it there)
IMA mineral species
Triclinic
Red