1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Dilute acid
1.2 Durability
Not Available
Not Available
1.4 Specific Gravity
3.60-3.612.93-2.96
1
7.18
1.15 Fracture
Conchoidal
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.16 Cleavage
Imperfect/fair/absent
Distinct on {010}, imperfect {110} and {011}
1.17 Mohs Hardness
1.18 Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references