IMA mineral species
Richterite
Na(NaCa)Mg₅Si₈O₂₂(OH)₂
Na-Ca-amphibole, double chain inosilicate mineral.
Properties
| Chemical formula | Na(NaCa)Mg₅Si₈O₂₂(OH)₂ |
|---|---|
| Elements | Na, Ca, Mg, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| Cleavage | {110} |
| IMA symbol | Rct |
| Nickel–Strunz class | 9.DE.20 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Långban, Sweden
- 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
- Richterite on Mindat.org
- Wikipedia article
- Wikidata item Q418652 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic
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