| Name |
|
Anhydrite |
| Chemistry |
|
Ca[SO4] |
| Hardness |
|
3 - 4 |
| Lustre |
|
vitreous |
| Colour |
|
colourless, white, bluish |
| Streak |
|
white |
| Density [g/cm3] |
|
2.9 - 3.0 |
| Crystal habit |
|
orthorhombic, crystals
often strongly striated |
| Cleavage, Fracture |
|
[001], [010] perfect, [100] good |
| other characteristics
and occurrences |
|
grained, spathic, dense,
also prismatic |
 |
|
|