Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.16-3.232.97-3.14
1
7.18
👆🏻
Fracture
Conchoidal, Uneven, Conchoidal to uneven
Uneven, Conchoidal
Cleavage
[0001] indistinct, [1010] indistinct
{1011} Indistinct
Mohs Hardness
5-9999
2
10
👆🏻
Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)