Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.023.65-4.55
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Indistinct on {110}
None, but may exhibit slight parting
Mohs Hardness
5-5.57.5-8
2
10
👆🏻
Chemical Composition
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)