Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 9088

Minerals found in the sample
Mineral Formula Category Subcategory Importance
ANORTHITE Ca(Al2Si2O8) tektosilicates feldspar major
FORSTERITE Mg2(SiO4) nesosilicates olivine major
DIOPSIDE CaMgSi2O6 inosilicates pyroxenes minor
Description
Description: black vesicular lava (9 cm), with anorthite (var. bytownite)
Origin
  • Country: Rwanda
  • Region: Ruhengeri
  • Locality:
Specification
  • Donors: Comblain
    Donation year: 1962
  • 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: yes
Previous page