Johnwalkite [ K(MnII,FeIII)2(Nb,Ta)O2(PO4)2·2(H2O,OH) ]
Material properties
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| Tags | Hydrated , Mineral, Orthophosphate , Phosphate |
Composition
| Element | Atoms |
|---|---|
| K | 1 |
| P | 2 |
| H | ~3 |
| Fe | ~1 |
| Mn | ~1 |
| Nb | ~0.5 |
| Ta | ~0.5 |
| O | ~12 |