Tenacity
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
4.95-5.02.67-2.73
1
7.18
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Fracture
Uneven
Conchoidal
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
Perfect on [10 1 1] three directions with angle of 74° 55
Mohs Hardness
4-53
2
10
👆🏻
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaCO 3Ulrich Henn and Claudio C.