Mineralogy Database

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Sample n° 14231

Minerals found in the sample
Mineral Formula Category Subcategory Importance
JOHANNSENITE CaMnSi2O6 inosilicates pyroxenes major
Description
Description: intergrowth of elongated crystals, subparallel
Origin
  • Country: Bulgaria
  • Region: Madan District
  • Locality:
Specification
  • Donors: National Museum of Natural History, Sofia
    Donation year:
  • Sampling year:
    Registration date:
  • Quantity:
    Size:
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 2
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no