Properties
⛏ Mohs hardness3.5
💅🪙🍶🔪💎
A copper coin scratches it.
⚖ Density3.939 g/cm³
Heavy
🔷 Orthorhombic✏️ streak white
| Chemical formula | CuSO₄ |
|---|---|
| Elements | Cu, S, O |
| Crystal system | Orthorhombic |
| Mohs hardness | 3.5 |
| Density | 3.939 g/cm³ |
| Streak | white |
| Color | — |
| IMA symbol | Ccy |
| Nickel–Strunz class | 7.AB.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 3.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
🌍 Where it's found
Type locality (where it was first described): Mount Vesuvius, Italy
- 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
- Chalcocyanite on Mindat.org
- Wikidata item Q3650496 (source of this page's data – you can correct it there)
IMA mineral species
3–4
Orthorhombic
Soft, Scratches Easily