Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.023.82-3.97
1
7.18
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Fracture
Subconchoidal, Conchoidal
Subconchoidal, Conchoidal
Cleavage
Indistinct on {110}
Perfect on [001] and [011]
Mohs Hardness
5-5.55.5-6
2
10
👆🏻
Chemical Composition
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references