IMA mineral species
Kerimasite
Ca₃Zr₂(SiFe³⁺₂)O₁₂
Garnet supergroup, schorlomite mineral.
Properties
⛏ Mohs hardness7
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
| Chemical formula | Ca₃Zr₂(SiFe³⁺₂)O₁₂ |
|---|---|
| Elements | Ca, Zr, Si, Fe, O |
| Crystal system | Cubic |
| Mohs hardness | 7 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Kms |
| Nickel–Strunz class | 9.AD.25 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Kerimasi volcano, Tanzania
- 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
- Kerimasite on Mindat.org
- Wikidata item Q19860886 (source of this page's data – you can correct it there)
IMA mineral species
7–8
Cubic