General Information:
Chemical Formula:Pb3AlF9·(H2O)
Composition:(Molecular Weight = 630.38 gm)Aluminum 4.28 %
AlHydrogen 0.32 %
H Lead 65.74 %
PbOxygen 2.54 %
O Fluorine 27.12 %
F Empirical Formula: 2(Pb)AlF9·(H2O)
Environment:Reaction of supergene solutions on galena and fluorite.
IMA Status:Approved IMA 1987
Locality:Grand Reef mine, Laurel Canyon, Graham County, Arizona.
Name Origin:Named for the Arabaipa mining district.
Physical Properties: Cleavage:[010] Perfect, [100] Good, [001] Good
Color:colorless.
Diaphaniety:Transparent
Habits:Platy - Sheet forms (e.g. micas)., ,
Hardness:2 - Gypsum
Luminescence:Non-fluorescent.
Luster:Vitreous - Pearly
Streak:white
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