1 Physical Properties
1.1 Tenacity
1.2 Solubility
insoluble in water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.51-2.632.97-3.03
1
7.18
2.4 Fracture
Fibrous
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
2.5 Cleavage
2.6 Mohs Hardness
1.11 Chemical Composition
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references