Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.95-5.02.54-2.61
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
Perfect
Mohs Hardness
4-56
2
10
👆🏻
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)