Mineralogy Database

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Sample n° 10111

Minerals found in the sample
Mineral Formula Category Subcategory Importance
DUFTITE PbCu(AsO4)(OH) arsenates - major
FORNACITE CuPb2(CrO4)(AsO4)(OH) arsenates - major
CHALCOCITE Cu2S sulfides and sulfosalts - minor
PLANCHEITE Cu8(Si4O11)2(OH)4•H2O inosilicates - minor
Description
Description: small dark green fornacite crystals, olive-coloured duftite, in copper-rich substrate
Origin
  • Country: Congo (Congo-Brazzaville)
  • Region: Pool
  • Locality: Renéville, Djoué
Specification
  • Donors: BRGM Paris
    Donation year: 1964
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 2
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: yes
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