Properties
⛏ Mohs hardness2.5
💅🪙🍶🔪💎
Scratches with a fingernail.
| Chemical formula | Pb₉As₄S₁₅ |
|---|---|
| Elements | Pb, As, S |
| Crystal system | Trigonal |
| Mohs hardness | 2.5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Gtn |
| Nickel–Strunz class | 2.JB.55 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 2.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
Learn more
- Gratonite on Mindat.org
- Wikipedia article
- Wikidata item Q3775858 (source of this page's data – you can correct it there)
IMA mineral species
2–3
Trigonal
Soft, Scratches Easily