IMA mineral species
Chromio-pargasite
NaCa₂(Mg₄Cr)(Si₆Al₂)O₂₂(OH)₂
Ca-amphibole, double chain inosilicate mineral.
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Properties
🔷 Monoclinic✏️ streak bright green
| Chemical formula | NaCa₂(Mg₄Cr)(Si₆Al₂)O₂₂(OH)₂ |
|---|---|
| Elements | Na, Ca, Mg, Cr, Si, Al, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | bright green |
| Color | bright green, emerald |
| Cleavage | {110} |
| IMA symbol | Cprg |
| Nickel–Strunz class | 9.DE.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Shikokuchūō-shi, Japan
- 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
- Chromio-pargasite on Mindat.org
- Wikidata item Q3675914 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic
Green