Tenacity
-
Brittle
Solubility
insoluble
Soluble
Durability
-
-
Specific Gravity
2.365.9
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Fibrous
Sub-Conchoidal
Cleavage
[110] perfect, [101] good, [010] distinct
None observed
Mohs Hardness
3.5-43
2
10
👆🏻
Chemical Composition
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCu(VO4)(OH)