1 Physical Properties
1.1 Tenacity
1.2 Solubility
Poorly soluble in dilute HCl
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
Perfect on {10 1 1}, rhombohedral cleavage
None
1.7 Mohs Hardness
1.8 Chemical Composition
CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)