| |
mineral | description |
Magnesite | {101} |
| {101}, modified |
| Short prismatic {110} |
Magnetite | {100} |
| {111} modified by {110} |
| Spinel law twin |
| {111}, {432}, modified by {654} |
| {100}, {111}, {110}, modified |
| {111}, highly modified |
Malachite | Contact twin on {100} |
| Contact twin on {100} |
Manganite | Contact twin on {012} |
| Prismatic {110} |
| Elongated [001] |
Marcasite | {010}, {101}, {110}, modified |
| Contact twin on {101} |
| Fourling twin on {101} |
| Repeated twin on {101} |
Marshite | Tetrahedral |
Matlockite | Tabular {001} |
Melanophlogite | {100}, |
Melanovanadite | Prismatic [101] |
Mellite | {101}, {110}, {001} |
Meneghinite | Tabular {100}, elongated [001] |
Metacinnabar | {211}, modified |
Meyerhofferite | {100}, {101}, {111} |
Miargyrite | {100}, {010}, {001}, modified |
| equant crystal |
Microcline | Manebach twin |
Microlite | {111} |
| {111}, {100} |
Milarite | {110}, {102}, modified |
Millerite | prismatic {100} |
Mirabilite | Short prismatic [001] |
Molybdenite | Thick tabular {001} |
| Tabular {001} |
Molybdite | {010}, {111}, {100} |
| {010}, {111}, {100}, {001} |
Monazite | Isometric, highly modified |
| {100}, {010}, {101}, {011}, modified |
| {111}, {100}, modified |
Montroydite | Elongated [010], highly modified |
| {011}, {120}, highly modified |
Moschellandsbergite | {110}, modified |
| {110}, modified |
Muscovite | Tabular {001} |
| {001}, {010}, {221} |