Tenacity
-
-
Solubility
insoluble in water
-
Durability
-
-
Specific Gravity
2.51-2.633.19-3.56
1
7.18
👆🏻
Fracture
Fibrous
Uneven, Conchoidal
Cleavage
Perfect basal
{110} Perfect, {010} Indistinct
Mohs Hardness
2.5-4.55.5-6
2
10
👆🏻
Chemical Composition
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)