Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
1.98-2.253.22-3.40
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None
Perfect
Mohs Hardness
5-6.55-6
2
10
👆🏻
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)