IMA mineral species
Ikranite
(Na,H₃O)₁₅(Ca,Mn²⁺)₆Fe³⁺₂Zr₃[(H₀-₃Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl·nH₂O
Cyclosilicate mineral.
Properties
⛏ Mohs hardness5
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
🔷 Trigonal✏️ streak white
| Chemical formula | (Na,H₃O)₁₅(Ca,Mn²⁺)₆Fe³⁺₂Zr₃[(H₀-₃Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl·nH₂O |
|---|---|
| Elements | Na, H, O, Ca, Mn, Fe, Zr, Si, Cl |
| Crystal system | Trigonal |
| Mohs hardness | 5 |
| Density | — |
| Streak | white |
| Color | — |
| IMA symbol | Ikr |
| Nickel–Strunz class | 9.CO.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Mount Karnasurt, Russia
Learn more
- Ikranite on Mindat.org
- Wikipedia article
- Wikidata item Q1658151 (source of this page's data – you can correct it there)
IMA mineral species
5–6
Trigonal
YellowBrown