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Sample n° 13841.2

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
BECQUERELITE	Ca(UO2)6O4(OH)6•8H2O	oxides and hydroxides	-	major
RICHETITE	(Fe3+,Mg)xPb2+8,6(UO2)36O36(OH)24•41H2O	oxides and hydroxides	-	major
MASUYITE	Pb(UO2)3O3(OH)2•3H2O	oxides and hydroxides	-	minor
URANINITE	UO2	oxides and hydroxides	-	minor
URANOPHANE	Ca(UO2)2(SiO3OH)2•5H2O	nesosilicates	-	minor

Description

Description: sample with yellow becquerelite needles and plates, black richetite crystals on uranophane and becquerelite, red-orange masuyte needles, white uranophane needles

Information: Piret, P. & Deliens, M., 1984. Nouvelles données sur la richetite PbO.4UO3.4H2O. Bulletin de Minéralogie 107, 581-585.

Origin

• Country: Congo (RDC)
• Region: Katanga
• Locality: Shinkolobwe

Specification

• Donors: van Dooren
  Donation year: 1980
• Sampling year:
  Registration date:
• Quantity: 1
  Size: 2 x 2 cm

• Dimension code 1>2>3: 3
  Quality code 1>2>3: 1
• Holotype: no
  Paratype: no
  Radioactive: yes
• Thin section: no
  Chemical analysis: no
  X-Ray spectra: yes

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