Tenacity
Brittle
-
Solubility
Dilute acid
-
Durability
-
-
Specific Gravity
2.93-2.963.23-3.26
1
7.18
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Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Distinct on {010}, imperfect {110} and {011}
Perfect on {010} imperfect on {100}
Mohs Hardness
3.5-46.5-7
2
10
👆🏻
Chemical Composition
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)