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Sample n° 6968

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PICKERINGITE MgAl2(SO4)4•22H2O sulfates - major
Description
Description: white clayey block with undulating surface (5 cm)
Origin
  • Country: Brazil
  • Region: Parana
  • Locality: Ponto Grosso
Specification
  • Donors: Polinard
    Donation year: 1954
  • 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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