1 Physical Properties
1.1 Tenacity
1.1 Solubility
1.3 Durability
Not Available
Not Available
1.6 Specific Gravity
3.13-3.263.25-3.35
1
7.18
1.16 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.17 Cleavage
Not Available
Perfect in three directions
1.18 Mohs Hardness
1.19 Chemical Composition
Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references