1 Physical Properties
1.1 Tenacity
1.2 Solubility
Soluble
Insoluble in acids
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.67-2.734.20-4.30
1
7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
{110} good, 100 moderate, parting on {092} and {011}
1.7 Mohs Hardness
1.8 Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)