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
2.5 Fracture
Not Available
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
Not Available
{010} moderate, {100} imperfect
2.7 Mohs Hardness
2.8 Chemical Composition
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)