Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-3.022.20-2.80
1
7.18
👆🏻
Fracture
-
-
Cleavage
Perfect
Perfect
Mohs Hardness
-9999-9999
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)