Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.95-5.03.65-4.55
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
None, but may exhibit slight parting
Mohs Hardness
4-57.5-8
2
10
👆🏻
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)