Tenacity
-
-
Solubility
-
insoluble in water
Durability
-
-
Specific Gravity
3.16-3.232.51-2.63
1
7.18
👆🏻
Fracture
Conchoidal, Uneven, Conchoidal to uneven
Fibrous
Cleavage
[0001] indistinct, [1010] indistinct
Perfect basal
Mohs Hardness
52.5-4.5
2
10
👆🏻
Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)