Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.95-5.04.392
1
7.18
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Fracture
Uneven
Conchoidal
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
{010} moderate, {100} imperfect
Mohs Hardness
4-56.5-7
2
10
👆🏻
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)