Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.13-3.265.00-5.30
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
None
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
-99996
2
10
👆🏻
Chemical Composition
Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)
Fe 2O 3Arthur Thomas , Gemstones (2009)