1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.8 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Irregular
1.9 Cleavage
(0001) indistinct
Perfect on {0001}
1.10 Mohs Hardness
1.12 Chemical Composition
SiCArthur Thomas , Gemstones (2009)
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)