Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Potassic-magnesio-fluoro-arfvedsonite | KNa2(Mg4FeIII)Si8O22F2 | Arfvedsonite root name group | — | 0 | 0 | — | Mineral, Silicate , Halide | |
| Potassic-richterite | K(NaCa)Mg5Si8O22(OH)2 | Richterite root name group | — | 0 | 0 | — | Mineral, Hydroxide , Silicate | |
| Potassium | K | — | — | 6 | 0 | — | Element | |
| Potassium bromide | KBr | — | — | 11 | 0 | — | Synthetic , Compound, Halide | |
| Potassium chloride | KCl | — | Sylvite | 10 | 0 | — | Synthetic , Compound, Halide | |
| Potassium hydroxide | KOH | — | — | 5 | 0 | — | Hydroxide , Compound | |
| Potassium iodide | KI | — | — | 1 | 0 | — | Synthetic , Compound, Halide | |
| Potassium magnesium fluoride | KMgF3 | Perovskite (structure) | Parascandolaite | 4 | 0 | — | Synthetic , Compound, Halide | |
| Potassium strontium vanadate | K2Sr(VO3)4 | — | — | 8 | 0 | — | Compound, Synthetic | |
| Poudretteite | KNa2(B3Si12)O30 | Osumilite (group) | — | 0 | 0 | — | Mineral, Borosilicate | |
| Povondraite | NaFeIII3(FeIII4Mg2)(Si6O18)(BO3)3(OH)3O | Tourmaline | — | 0 | 0 | — | Mineral, Borate , Hydroxide , Silicate | |
| Powellite | CaMoO4 | Calcium molybdate, Scheelite (group) | — | 16 | 2 | CL/SEM, SXES | Mineral, Molybdate | |
| Praseodymium | Pr | — | — | 13 | 0 | — | Metal , Element | |
| Praseodymium fluoride | PrF3 | REE fluoride | — | 12 | 1 | CL/SEM | Synthetic , Compound, Halide | |
| Praseodymium orthophosphate | PrPO4 | REE phosphate | — | 0 | 0 | — | Compound, Orthophosphate , Phosphate |
