1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Uneven
1.6 Cleavage
111 (perfect in four directions)
Imperfect to indistinct on {10 1 0}, parting on {0001}
1.7 Mohs Hardness
1.8 Chemical Composition
C
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references