Mineralogy Database

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Sample n° 4621

Minerals found in the sample
Mineral Formula Category Subcategory Importance
DIOPTASE CuSiO3•H2O cyclosilicates - major
CHRYSOCOLLA (Cu2-xAlx)2H2-xSi2O5(OH)4•nH2O phyllosilicates - minor
Description
Description: dioptase crystals (1 cm) on blue striated chrysocolla substrate
Origin
  • Country: Congo (Congo-Brazzaville)
  • Region: Pool
  • Locality: Mindouli
Specification
  • Donors: Polinard
    Donation year: 1954
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 2
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no