IMA mineral species
Hjalmarite
{Na}{NaMn}{Mg₅}Si₈O₂₂(OH)₂
Na-amphibole mineral.
Properties
| Chemical formula | {Na}{NaMn}{Mg₅}Si₈O₂₂(OH)₂ |
|---|---|
| Elements | Na, Mn, Mg, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Hja |
“—” 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
- Hjalmarite on Mindat.org
- Wikidata item Q46004287 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic