1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.5 Durability
Not Available
Not Available
1.7 Specific Gravity
2.77-2.883.91-4.73
1
7.18
1.8 Fracture
Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.9 Cleavage
Perfect basal
Not Available
1.10 Mohs Hardness
1.11 Chemical Composition
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)