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Sample n° 11172

Minerals found in the sample
Mineral Formula Category Subcategory Importance
OLIVINE (Mg,Fe2+)2SiO4 nesosilicates olivine major
AUGITE (Ca,Mg,Fe)2Si2O6 inosilicates pyroxenes minor
HORNBLENDE [ ]Ca2((Fe2+,Mg)4Al)(Si7Al)O22(OH)2 inosilicates amphiboles minor
Description
Description: granular volcanic bombs (4 and 7 cm)
Origin
  • Country: Germany
  • Region: Eifel
  • Locality: Dreis, Dreiser Weiher
Specification
  • Donors: Comblain
    Donation year: 1966
  • Sampling year:
    Registration date:
  • Quantity: 3
    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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