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Sample n° 6934

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CLINOCLASE Cu3(AsO4)(OH)3 arsenates - major
TYROLITE Ca2Cu9(AsO4)4(CO3)(OH)8•11H2O arsenates - major
AZURITE Cu3(CO3)2(OH)2 carbonates - minor
CHALCEDONY (quartz) SiO2 tektosilicates - minor
MALACHITE Cu2(CO3)(OH)2 carbonates - minor
QUARTZ SiO2 tektosilicates - minor
Description
Description: blue plates (clinoclase) and green tabular crystals (tyrolite) on block of copper minerals (6 cm)
Origin
  • Country: United Kingdom
  • Region: Cornwall
  • Locality:
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: yes
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