Mineralogy Database

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Sample n° 13423

Minerals found in the sample
Mineral Formula Category Subcategory Importance
ACTINOLITE [ ]Ca2(Mg4,5-2,5Fe2+0,5-2,5)Si8O22(OH)2 inosilicates amphiboles major
Description
Description: block of parallel needles (10 cm)
Origin
  • Country: Madagascar
  • Region: Antananarivo Province
  • Locality: Antsirabe
Specification
  • Donors: Randrianaivoson
    Donation year: 1976
  • Sampling year:
    Registration date:
  • Quantity: 1
    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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