| Name |
|
Benitoite |
| Chemistry |
|
BaTi[Si3O9] |
| Hardness |
|
6 - 6.5 |
| Lustre |
|
vitreous |
| Colour |
|
blue, colourless, yellowish, pink, white |
| Streak |
|
white |
| Density [g/cm3] |
|
3.6 |
| Crystal habit |
|
hexagonal, crystals prismatic,
short dipyramids |
| Cleavage, Fracture |
|
[1011] poor, fracture irregular |
| other characteristics
and occurrences |
|
fluorescent in UV-light
formed in veins with zeolites in serpentine |
 |
|
|