General Information:
Chemical Formula:Pb5(VO4)3Cl
Composition:(Molecular Weight = 1,416.27 gm)Vanadium 10.79 %
V Lead 73.15 %
PbChlorine 2.50 %
ClOxygen 13.56 %
O Empirical Formula: Pb5(VO4)3Cl
Name Origin:Named for its vanadium content.
Physical Properties: Cleavage:None
Color:brown, brownish yellow, brown red, colorless, or yellow.
Density:6.8 - 7.1, Average = 6.94
Diaphaniety:Subtranslucent to opaque
Habits:Globular - Spherical, or nearly so, rounded forms (e.g. wavellite)., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Nodular - Tuberose forms having irregular prot uberances over the surface.
Hardness:3.5-4 - Copper Penny-Flourite
Luminescence:None.
Luster:Adamantine
Streak:brownish yellow
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