Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.16-3.232.79
1
7.18
👆🏻
Fracture
Conchoidal, Uneven, Conchoidal to uneven
-
Cleavage
[0001] indistinct, [1010] indistinct
{100} and {010} perfect
Mohs Hardness
56
2
10
👆🏻
Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.