2 Physical Properties
2.2 Tenacity
Not Available
Not Available
2.4 Solubility
Not Available
Not Available
2.7 Durability
Not Available
Not Available
2.9 Specific Gravity
2.85-3.203.29-3.33
1
7.18
2.17 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
2.18 Cleavage
Not Available
Not Available
2.19 Mohs Hardness
2.20 Chemical Composition
Not Available
(Ca,Ce) 4 Na(Na,Ca) 2 Ti(Si 2 O 7 ) 2 F 2 (O,F) 2 Michael O’Donoghue, Gems, Sixth Edition (2006)