1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.22-3.403.20-3.26
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Splintery
2.6 Cleavage
Not Available
{010} perfect
2.7 Mohs Hardness
2.11 Chemical Composition
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)