Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 13891

Minerals found in the sample
Mineral Formula Category Subcategory Importance
PLAGIOCLASE (Na,Ca)(Al1+xSi3-x)O8 tektosilicates feldspar major
FORSTERITE Mg2(SiO4) nesosilicates olivine minor
Description
Description: purple plagioclase (var. labradorite), with green forsterite
Origin
  • Country: Madagascar
  • Region: Fianarantsoa Province
  • Locality: Ihosy
Specification
  • Donors: Rakotomamonjy
    Donation year: 1981
  • 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: yes
Previous page