General Information:
Chemical Formula:
PbFe+++3(PO4)2(OH,H2O)6
Composition:
(Molecular Weight = 668.24 gm)
Iron 25.07 % Fe
Phosphorus 9.27 % P
Hydrogen 1.13 % H
Lead 31.01 % Pb
Oxygen 33.52 % O
Empirical Formula:
PbFe3+3(PO4)2(OH)4.5(H2O)1.5
Environment:
Crusts line cavities in goethite. Encrustations on quartz and garnet-rich lode rocks.
IMA Status:
Approved IMA
Locality:
Kintore opencut and Block 14 opencut, Broken Hill, New South Wales, Australia.
Name Origin:
For the locality.
Physical Properties:
Cleavage:
[001] Good
Color:
cream white, yellowish green, or brownish yellow.
Density:
4.25 - 4.34, Average = 4.29
Diaphaniety:
Transparent to translucent
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Encrustations - Forms crust-like aggregates on mat rix.
Hardness:
4 - Fluorite
Luster:
Vitreous - Greasy
Streak:
pale yellowish green
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