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.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Lepersonnite-(gd) before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Lepersonnite-(gd) Localities Map
See where Lepersonnite-(gd) is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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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Lepersonnite-(gd) FAQs
How do I identify Lepersonnite-(gd)?
Lepersonnite-(gd) can be identified by its Bright yellow color. Look for these key characteristics when examining specimens.
What color is Lepersonnite-(gd)?
Lepersonnite-(gd) typically appears in Bright yellow. Color can vary depending on impurities and formation conditions.


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