You can filter the standards below using the following criteria:
| Nom | Elements | N° / mount | Mineral class | Group | Synthetic |
|---|---|---|---|---|---|
| Olivine San Carlos | Fe Mg Si | 049 / Tubes | Silicates | Olivine | No |
| Olivine Springwater | Fe Mg Si | 08 / SMITH | Silicates | Olivine | No |
| Omphacite (NMNH) | Al Ca Fe Mg Na Si | 060 / Tubes | Silicates | Pyroxene | No |
| Orthoclase | Al K Si | 09 / MAC | Silicates | Feldspars | No |
| Orthoclase (Berlin) | Al K Si | 16 / InHouse1 | Silicates | Feldspars | No |
| Orthoclase (Madagascar) | Al K Si | 079 / Tubes | Silicates | Feldspars | No |
| Pentlandite | Fe Ni S | 33 / MAC | Sulfides | No | |
| Periclase | Mg | 010 / Tubes | Oxides | No | |
| Periclase (synthetic) | Mg | 064 / Tubes | Oxides | Yes | |
| Plagio Labradorite | 04 / SMITH | No | |||
| PrPO4 | REE | / Tubes | Phosphates | No | |
| Pseudobrookite | Fe Ti | 070 / Tubes | Oxides | No | |
| Pyrite | Fe S | 34 / MAC | Sulfides | No | |
| Pyrite | Fe S | 014 / Tubes | Sulfides | No | |
| Pyrite (Zurich) | Fe S | 065 / Tubes | Sulfides | No | |
| Pyrope | Al Mg Si | 009 / Tubes | Silicates | Garnets | No |
| Pyrope (NMNH) | Al Ca Fe Mg Si | 15 / InHouse1 | Silicates | Garnets | No |
| Pyrophanite | Mn Ti | 17 / InHouse1 | Oxides | No | |
| Pyrophyllite | Al Si | 037 / Tubes | Silicates | No | |
| Pyroxene (Lefeld) | Al Ca Fe Mg Na Si | 046 / Tubes | Silicates | Pyroxene | No |