Tenacity
Sectile
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.393.19-3.56
1
7.18
👆🏻
Fracture
Irregular
Uneven, Conchoidal
Cleavage
Perfect on {0001}
{110} Perfect, {010} Indistinct
Mohs Hardness
2.55.5-6
2
10
👆🏻
Chemical Composition
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)