| Mineral | Sugilite |
|---|---|
| Formula | K(Na,□)2Li3(Fe,Mn,Al,Zr)2[Si12O30] |
| Crystal Form | Hexagonal/Dihexagonal Dipyramidal [6/m 2/m 2/m] |
| Cleavage | Poor on {0001} |
| Color | Purple, Light brownish yellow, Colorless in transmitted light |
| Density | 2.7 – 2.8 g/cm3 |
| Diaphaneity | Transparent to Translucent |
| Hardness | 6.0 - 6.5 |
| Lustre | Vitreous |
| Streak | White |
| Type Loc. | Iwagi Island, Inland Sea, Ehime Prefecture, Japan |
| Dana 8 Class | 63.2.1a.9 |
| Strunz Class | 8/E.22-110 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 390 |