Tenacity
Brittle
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
2.67-2.734.95-5.0
1
7.18
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Fracture
Conchoidal
Uneven
Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
34-5
2
10
👆🏻
Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references