1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
insoluble in water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Fibrous
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Not Available
{010} moderate, {100} imperfect
1.7 Mohs Hardness
1.8 Chemical Composition
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)