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Sample n° 12508
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
HEMIMORPHITE | Zn4(Si2O7)(OH)2H2O | sorosilicates | - | major |
Description
Description:
geode with crust of white crystals in ferruginous matrix
Origin
- Country: Namibia
- Region: Oshikoto Region
- Locality: Tsumeb
Specification
-
Donors: EhrmannDonation year: 1970
-
Sampling year:Registration date:
-
Quantity: 1Size: 2
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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