1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.23-3.264.33-4.42
1
7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Not Available
1.6 Cleavage
Perfect on {010} imperfect on {100}
Not Available
1.7 Mohs Hardness
1.8 Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.