Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
{001} perfect; {111} imperfect, may exhibit parting on , {011}
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Imperfect to indistinct on {10 1 0}, parting on {0001}
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references