Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.95-5.01.65-1.99
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
{010} Perfect, {110} Perfect
Mohs Hardness
4-52-2.5
2
10
👆🏻
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)