Properties
⚖ Density4.018 g/cm³
Heavy
🔷 Orthorhombic✏️ streak white
| Chemical formula | Al₂(GeO₄)F₂ |
|---|---|
| Elements | Al, Ge, O, F |
| Crystal system | Orthorhombic |
| Mohs hardness | — |
| Density | 4.018 g/cm³ |
| Streak | white |
| Color | — |
| IMA symbol | Kes |
| Nickel–Strunz class | 9.AF.20 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Tsumeb Mine, Namibia
- 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
- Krieselite on Mindat.org
- Wikipedia article
- Wikidata item Q6437009 (source of this page's data – you can correct it there)
IMA mineral species
Orthorhombic
BrownWhite & Clear