Mineral | Uvite |
---|---|
Formula | Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(OH) |
Crystal Form | Trigonal/Ditrigonal Pyramidal [3m] |
Cleavage | None |
Color | Black, greenish-black, brownish-black, brown, red, green, colorless |
Density | 3.0 – 3.1 g/cm3 |
Diaphaneity | Transparent, Translucent |
Fracture | Irregular/Uneven, Conchoidal |
Hardness | 7.5 |
Lustre | Vitreous, Resinous |
Streak | Light-brown, light-green, or whi |
Dana 8 Class | 61.3.1.3 |
Strunz Class | 8/E.19-90 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 215 |