IMA mineral species
Nikmelnikovite
Ca₁₂Fe²⁺Fe³⁺₃Al₃(SiO₄)₆(OH)₂₀
Garnet supergroup mineral.
Properties
| Chemical formula | Ca₁₂Fe²⁺Fe³⁺₃Al₃(SiO₄)₆(OH)₂₀ |
|---|---|
| Elements | Ca, Fe, Al, Si, O, H |
| Crystal system | Trigonal |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Nmn |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Kovdor massif, Russia
- 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
- Nikmelnikovite on Mindat.org
- Wikidata item Q61478757 (source of this page's data – you can correct it there)
IMA mineral species
Trigonal