Mineralogy Database

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Sample n° 17265

Minerals found in the sample
Mineral Formula Category Subcategory Importance
MAGNESIO-ARFVEDSONITE NaNa2(Mg4Fe3+)Si8O22(OH)2 inosilicates amphiboles major
Description
Description: lath-shaped crystals in rock matrix, var. imerinite (type locality material)
Origin
  • Country: Madagascar
  • Region: Fianarantsoa Province
  • Locality: Ambatoarina
Specification
  • Donors: Delhaye
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 2
    Size:
  • 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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