IMA mineral species
Phosphofibrite
(H₂O,K)₃.₅Fe³⁺₈(PO₄)₆(OH)₇(H₂O)₅
Phosphate mineral.
Properties
⛏ Mohs hardness4
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
| Chemical formula | (H₂O,K)₃.₅Fe³⁺₈(PO₄)₆(OH)₇(H₂O)₅ |
|---|---|
| Elements | H, O, K, Fe, P |
| Crystal system | Monoclinic |
| Mohs hardness | 4 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Pfb |
| Nickel–Strunz class | 8.DJ.20 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Clara 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
- Phosphofibrite on Mindat.org
- Wikidata item Q3901686 (source of this page's data – you can correct it there)
IMA mineral species
4–5
Monoclinic