Tenacity
Brittle
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
5.9-6.32.36
1
7.18
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Fracture
Conchoidal, Uneven
Uneven, Subconchoidal, Fibrous
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
[110] perfect, [101] good, [010] distinct
Mohs Hardness
4.5-53.5-4
2
10
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Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references