Mineralogy Database

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Sample n° 13990

Minerals found in the sample
Mineral Formula Category Subcategory Importance
DRAVITE NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) cyclosilicates tourmaline major
Description
Description: black prismatic crystals (cm) in altered pegmatite (6 cm)
Origin
  • Country: France
  • Region: Ariège
  • Locality: Tarascon
Specification
  • Donors: Ulmet
    Donation year: 1983
  • 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: no
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