Tenacity
Brittle
-
Solubility
Dilute acid
-
Durability
-
-
Specific Gravity
2.93-2.964.33-4.42
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
-
Cleavage
Distinct on {010}, imperfect {110} and {011}
Perfect
Mohs Hardness
3.5-44.5
2
10
👆🏻
Chemical Composition
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(Nd,Ce,La) 2(CO 3) 3F 2Ulrich Henn and Claudio C.