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Sample n° 6751

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BRAUNITE Mn2+Mn3+6O8(SiO4) oxides and hydroxides - major
MANJIROITE Na(Mn4+7Mn3+)O16 oxides and hydroxides - minor
Description
Description: black polished section
Origin
  • Country: India
  • Region:
  • Locality:
Specification
  • Donors: Polinard
    Donation year: 1954
  • Sampling year:
    Registration date:
  • Quantity: 1
    Size: 3
  • Dimension code 1>2>3: 3
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: yes
    Chemical analysis: no
    X-Ray spectra: no
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