Mineral | Norbergite |
---|---|
Formula | Mg3(SiO4)(F,OH)2 |
Crystal Form | Orthorhombic/Dipyramidal [2/m 2/m 2/m] |
Color | Orange-yellow to Brown |
Density | 3.1 – 3.2 g/cm3 |
Diaphaneity | Transparent, Translucent |
Fracture | Uneven to Subconchoidal |
Hardness | 6.0 - 6.5 |
Lustre | Vitreous, Resinous |
Streak | White |
Dana 8 Class | 52.3.2a.1 |
Strunz Class | 8/B.04-10 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 263 |