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 |
|
|
|