Fourmarierite

Fourmarierite is a secondary uranium-lead mineral. It was named for the Belgian geologist Paul Fourmarier (1877–1970). Its chemical formula is Pb(UO
2
)
4
O
3
(OH)
4
•4H
2
O
.[1]

Fourmarierite
General
CategoryOxide minerals
Formula
(repeating unit)
Pb(UO
2
)
4
O
3
(OH)
4
•4H
2
O
Strunz classification4.GB.25
Crystal systemOrthorhombic
Crystal classPyramidal (mm2)
H-M Symbol: (mm2)
Space groupBb21m
Identification
ColorRed, golden-red, brown
CleavageOn {001}, perfect
Mohs scale hardness3 - 4
LusterAdamantine
DiaphaneityTransparent
Density6.046 g/cm3
Other characteristics Radioactive

References

  1. "Fourmarierite Mineral Data". webmineral.com. Retrieved 15 May 2012.


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