1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.55-3.703.13-3.26
1
7.18
2.5 Fracture
Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
Not Available
Not Available
2.7 Mohs Hardness
2.11 Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)