Properties
⛏ Mohs hardness1.5
💅🪙🍶🔪💎
Scratches with a fingernail.
🔷 Orthorhombic✏️ streak bright green
| Chemical formula | (Na,K)Cu₅(SeO₃)₂O₂Cl₃ |
|---|---|
| Elements | Na, K, Cu, Se, O, Cl |
| Crystal system | Orthorhombic |
| Mohs hardness | 1.5 |
| Density | — |
| Streak | bright green |
| Color | — |
| IMA symbol | Isk |
| Nickel–Strunz class | 4.JG.20 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 1.5: 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): Second scoria cone, Russia · southern breakthrough
Learn more
- Ilinskite on Mindat.org
- Wikidata item Q3796422 (source of this page's data – you can correct it there)
IMA mineral species
1–2
Orthorhombic
Soft, Scratches Easily