IMA mineral species
Townendite
Na₈ZrSi₆O₁₈
Cyclosilicate mineral.
Properties
| Chemical formula | Na₈ZrSi₆O₁₈ |
|---|---|
| Elements | Na, Zr, Si, O |
| Crystal system | Trigonal |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Twn |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Kvanefjeld, Greenland · Kvanefjeld, Greenland
- 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
- Townendite on Mindat.org
- Wikidata item Q19862013 (source of this page's data – you can correct it there)
IMA mineral species
Trigonal