Lepersonnite-(gd)
Lepersonnite-(Gd)
A variety of Minerals
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What is Lepersonnite-(gd)?
Lepersonnite-(Gd) is a very rare rare-earth and uranium mineral with the chemical formula Ca(Gd,Dy)2(UO2)24(SiO4)4(CO3)8(OH)24·48H2O. It occurs associated with bijvoetite-(Y) in the Shinkolobwe deposit in the Democratic Republic of the Congo, famous for rare uranium minerals. Lepersonnite-(Gd) is unique in being the only confirmed mineral with essential gadolinium. It is named in honour of the Belgian geologist Jacques Lepersonne.
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Lepersonnite-(gd) Localities Map
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Quick Facts
Physical Properties
- Color
- Bright yellow
- Density
- 4.01 g/cm³
Chemical Properties
- Chemical Formula
- Ca(Gd,Dy)2(UO2)24(SiO4)4(CO3)8(OH)24 · 48H2O
- Elements
- C, Ca, Dy, Gd, H, O, Si, U

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