1 Physical Properties
1.2 Tenacity
Not Available
Not Available
1.4 Solubility
Not Available
Not Available
1.6 Durability
Not Available
Not Available
1.8 Specific Gravity
1.9 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.11 Cleavage
Not Available
{???} Distinct
1.13 Mohs Hardness
1.15 Chemical Composition
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)