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Sample n° 11168
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
CHALCEDONY (quartz) | SiO2 | tektosilicates | - | major |
CALCITE | Ca(CO3) | carbonates | - | minor |
Description
Description:
nodules and banded geodes with calcite core in red rock substrate
Origin
- Country: Germany
- Region: Eifel
- Locality: Wollmersbach Quarry, N of Idar
Specification
-
Donors: ComblainDonation year: 1966
-
Sampling year:Registration date:
-
Quantity: 4Size: 2
-
Dimension code 1>2>3: 2Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
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Thin section: noChemical analysis: noX-Ray spectra: no