Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.98-3.102
1
7.18
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Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Imperfect on {001}, indistinct on {011}
Mohs Hardness
62.5-3
2
10
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Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
PbWO4