General Information:
Chemical Formula:Al3(PO4)2(OH,F)3·5(H2O)
Composition:(Molecular Weight = 411.99 gm)Aluminum 19.65 %
AlPhosphorus 15.04 %
P Hydrogen 3.18 %
H Oxygen 62.14 %
O Empirical Formula: Al3(PO4)2(OH)3·5(H2O)
Name Origin:Named after William Wavell (?-1829) of England who discovered the mineral.
Physical Properties: Cleavage:[110] Perfect, [101] Good
Color:blue, brown, brownish black, colorless, or green.
Density:2.3 - 2.4, Average = 2.34
Diaphaniety:Translucent
Habits:Stellate - Occurs as spherical, radial aggregates radiating from a "star" like point., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Stalact itic - Shaped like pendant columns as st
Hardness:3.5-4 - Copper Penny-Flourite
Luminescence:None.
Luster:Vitreous - Pearly
Streak:white
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