| Mineral | Ludlamite |
|---|---|
| Formula | (Fe2+,Mg,Mn)3(PO4)2 • 4(H2O) |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | [001] Perfect, [100] Indistinct |
| Color | Apple green, Colorless, Green, Greenish white, Light green |
| Density | 3.1 – 3.2 g/cm3 |
| Diaphaneity | Transparent to Translucent |
| Hardness | 3.5 |
| Lustre | Vitreous |
| Streak | White |
| Dana 8 Class | 40.3.5.1 |
| Strunz Class | VII/C.10-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 196 |