Tenacity
Flexible
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
2.20-2.403.35
1
7.18
👆🏻
Fracture
Conchoidal, Splintery, Fibrous
-
Cleavage
Perfect on {010}, distinct on {100}
None
Mohs Hardness
25.5
2
10
👆🏻
Chemical Composition
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.