Mineralogy Database

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Sample n° 9155

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: blocks (15 cm) with fern-like aggregates of green needles
Origin
  • Country: Rwanda
  • Region: Gisenyi
  • Locality: Gatumba
Specification
  • Donors: Antun
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity: 2
    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