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
2.51-2.633.70-4.10
1
7.18
1.13 Fracture
Fibrous
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
1.14 Cleavage
1.15 Mohs Hardness
1.16 Chemical Composition
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)