Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
Imperfect to indistinct on {10 1 0}, parting on {0001}
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
[100] perfect [010] imperfect with 79° angle between