Fourmarierite

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Fourmarierite
Fourmarierite-Becquerelite-Uraninite-201071.jpg
Uraninite covered with red hexagonal fourmarierite crystals
General
Category Oxide minerals
Formula
(repeating unit)
Pb(UO2)4O3(OH)4•4H2O
Strunz classification 4.GB.25
Crystal system Orthorhombic
Crystal class Pyramidal (mm2)
H-M Symbol: (mm2)
Space group Bb21m
Identification
Color Red, golden-red, brown
Cleavage On {001}, perfect
Mohs scale hardness 3 - 4
Luster Adamantine
Diaphaneity Transparent
Density 6.046 g/cm3

Fourmarierite is a secondary uranium-lead mineral. It was named for the Belgian geologist Paul Fourmarier (1877–1970). Its chemical formula is Pb(UO2)4O3(OH)4•4H2O.[1]

References[edit]

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