1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.3 Solubility
0.0 Durability
Not Available
Not Available
1.3 Specific Gravity
1.8 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.10 Cleavage
1.13 Mohs Hardness
1.16 Chemical Composition
Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references