Mineralogy Database

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Sample n° 10191

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CRISTOBALITE SiO2 tektosilicates - major
FLUORAPATITE Ca5(PO4)3F phosphates - minor
MICROCLINE K(AlSi3O8) tektosilicates feldspar minor
PYROXENE - inosilicates pyroxenes minor
Description
Description: small crystals in grey lava
Origin
  • Country: France
  • Region: Puy-de-Dôme
  • Locality: Chaudefour
Specification
  • Donors: BRGM Paris
    Donation year: 1964
  • 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
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