Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Penroseite | (Ni,Co,Cu)Se2 | Pyrite (group) | — | 0 | 0 | — | Mineral, Selenide | |
| Pentahydroborite | CaB2O(OH)6·2H2O | — | — | 4 | 0 | — | Hydrated , Mineral, Hydroxide , Borate | |
| Periclase | MgO | Magnesium oxide, Periclase (group) | — | 38 | 2 | CL/SEM | Mineral, Simple oxide | |
| Periclase (group) | MIIO, M=Ni,Mn,Mg,Fe | — | Manganosite, Periclase, Bunsenite, Wüstite | 0 | 0 | — | Simple oxide , Group | |
| Peridot | (Mg, Fe)2SiO4 | Olivine | — | 0 | 0 | — | Variety, Silicate | |
| Perovskite | CaTiO3 | Calcium titanate | — | 0 | 0 | — | Mineral, Titanate | |
| Perovskite (structure) | ABX3 | — | Barium titanate, Potassium magnesium fluoride, Yttrium aluminium perovskite, YAP, Lithium tantalate, Lanthanum aluminate, Strontium titanate, Lead titanate | 0 | 0 | — | — | |
| Pertoldite | GeO2 | — | — | 0 | 0 | — | Mineral, Simple oxide | |
| Petalite | LiAlSi4O10 | — | — | 5 | 0 | — | Mineral, Aluminosilicate | |
| Petedunnite | CaZnSi2O6 | Clinopyroxene | — | 0 | 0 | — | Mineral, Silicate | |
| Petříčekite | CuSe2 | — | — | 0 | 0 | — | Mineral, Selenide | |
| Pezzottaite | CsLiBe2Al2Si6O18 | Beryl (group) | — | 0 | 0 | — | Mineral, Aluminosilicate | |
| Pharmacolite | Ca(AsO3OH)·2H2O | Gypsum (supergroup) | — | 0 | 0 | — | Arsenate , Hydrated , Mineral, Hydroxide | |
| Phenakite | Be2SiO4 | Phenakite (group) | — | 6 | 0 | — | Mineral, Silicate | |
| Phenakite (group) | ABSiO4 | Nesosilicate | Eucryptite, Phenakite, Willemite | 0 | 0 | — | Group |
