Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Praseodymium silicide | PrSi2 | — | — | 0 | 0 | — | Synthetic, Compound , Silicide | |
| Praseodymium ultraphosphate | PrP5O14 | REE ultraphosphate | — | 18 | 2 | CL/SEM, SXES | Phosphate , Synthetic , Compound , Ultraphosphate | |
| Preobrazhenskite | Mg3B11O15(OH)9 | — | — | 2 | 0 | — | Mineral, Hydroxide | |
| Pretulite | Sc(PO4) | Xenotime (group) | — | 0 | 0 | — | Mineral, Orthophosphate , Phosphate | |
| Princivalleite | Na(Mn2Al)Al6(Si6O18)(BO3)3(OH)3O | Tourmaline | — | 0 | 0 | — | Mineral, Hydroxide , Borate , Aluminosilicate | |
| Promethium | Pm | — | — | 5 | 0 | — | Element , Metal | |
| Proshchenkoite-(Y) | (Y,REE,Ca,Na,Mn)15FeIICa(P,Si)Si6B3(O,F)48 | Vicanite (group) | — | 0 | 0 | — | Mineral, Halide , Borosilicate | |
| Prosopite | CaAl2F4(OH)4 | — | — | 6 | 0 | — | Mineral, Hydroxide , Halide | |
| Protactinium | Pa | — | — | 16 | 0 | — | Element | |
| Proto-anthophyllite | ☐Mg2Mg5Si8O22(OH)2 | Anthophyllite root name group | — | 0 | 0 | — | Mineral, Hydroxide , Silicate | |
| Proto-ferro-anthophyllite | ☐FeII2FeII5Si8O22(OH)2 | Anthophyllite root name group | — | 0 | 0 | — | Mineral, Hydroxide , Silicate | |
| Proto-ferro-suenoite | ☐MnII2FeII5Si8O22(OH)2 | Suenoite root name group | — | 0 | 0 | — | Mineral, Hydroxide , Silicate | |
| Protoenstatite | Mg2Si2O6 | Orthopyroxene | — | 0 | 0 | — | Mineral, Silicate | |
| Pseudowollastonite | CaSiO3 | — | — | 0 | 0 | — | Mineral, Silicate | |
| Pyrite | FeS2 | Pyrite (group) | — | 3 | 2 | CL, SXES | Mineral, Sulphide |
