Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.95-5.03.04-3.26
1
7.18
👆🏻
Fracture
Uneven
Splintery, Uneven
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
{110} perfect
Mohs Hardness
4-55-6
2
10
👆🏻
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)