1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
(e.g. graphite).
1.6 Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
{010} Good
1.7 Mohs Hardness
1.8 Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)