Name |
|
Chalcanthite
(Blue Vitriol, Copper Vitriol) |
Chemistry |
|
Cu[SO4]·5H2O |
Hardness |
|
2.5 |
Lustre |
|
vitreous |
Colour |
|
blue, transparent to translucent |
Streak |
|
white |
Density [g/cm3] |
|
2.2 - 2.3 |
Crystal habit |
|
triclinic, crystals rarely,
small |
Cleavage, Fracture |
|
fracture conchoidal |
other characteristics
and occurrences |
|
often stalactitic, crust
forming, also fibrous and grained, soluble in water |
|
|
|