IMA mineral species
Gengenbachite
KFe₃(H₂PO₄)₂(HPO₄)₄·6H₂O
Phosphate mineral.
Properties
| Chemical formula | KFe₃(H₂PO₄)₂(HPO₄)₄·6H₂O |
|---|---|
| Elements | K, Fe, H, P, O |
| Crystal system | Hexagonal |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Gnb |
| Nickel–Strunz class | 8.CA.65 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Silberbrünnle mine, Germany
- 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
- Gengenbachite on Mindat.org
- Wikidata item Q19841380 (source of this page's data – you can correct it there)
IMA mineral species
Hexagonal