1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.22-3.40Not Available
1
7.18
1.15 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
(e.g. graphite).
1.16 Cleavage
Not Available
{???} Imperfect, {???} Imperfect
1.17 Mohs Hardness
1.21 Chemical Composition
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Not Available