Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.60-3.613.16-3.23
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven, Conchoidal to uneven
Cleavage
Imperfect/fair/absent
[0001] indistinct, [1010] indistinct
Mohs Hardness
8-8.55
2
10
👆🏻
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references