IMA mineral species
Enargite
Cu₃AsS₄
Copper arsenic sulfide (Cu₃AsS₄).
Properties
⛏ Mohs hardness3
💅🪙🍶🔪💎
A copper coin scratches it.
🔷 Orthorhombic✏️ streak black
| Chemical formula | Cu₃AsS₄ |
|---|---|
| Elements | Cu, As, S |
| Crystal system | Orthorhombic |
| Mohs hardness | 3 |
| Density | — |
| Streak | black |
| Color | — |
| IMA symbol | Eng |
| Nickel–Strunz class | 2.KA.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 3: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
Learn more
- Enargite on Mindat.org
- Wikipedia article
- Wikidata item Q411881 (source of this page's data – you can correct it there)
IMA mineral species
3–4
Orthorhombic
RedPinkBrownBlackGray
Soft, Scratches Easily