Mineralogy Database

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Sample n° 6616

Minerals found in the sample
Mineral Formula Category Subcategory Importance
TOPAZ Al2SiO4F2 nesosilicates - major
Description
Description: yellow prismatic crystals (2 cm)
Origin
  • Country: Brazil
  • Region: Minas Gerais
  • Locality: Ouro Preto
Specification
  • Donors: de Almeida
    Donation year: 1955
  • Sampling year:
    Registration date:
  • Quantity: 8
    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
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