| |
mineral | description |
Olivenite | {011}, {110} |
| {011}, {100}, modified |
Olivine | {010}, {021}, {110}, modified |
| {100}, {010}, {021}, modified |
Olmsteadite | Tabular {001} |
| Tabular {100} |
Ordoñezite | {011}, {001}, {100} |
Orpiment | {301}, {210}, {010}, modified |
| {210}, prisms {hk-l}, modified |
| Tabular {010} |
Orthoclase | {110}, {101} |
| {110}, {001}, {101}, modified |
| {110}, {010}, {001}, {201}, modified |
| Karlsbad law twin (left) |
| Karlsbad law twin (right) |
| Tabular {010} |
| {110}, {201}, {001} |
| Multiple Manebach- and Baveno law twin |
| Multiple Baveno law twin |
| Baveno law twin |
| Tabular {010} |
| Manebach law twin |
| {001}, {010}, {110}, {111}, modified |