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Sample n° 13146
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
PLAGIOCLASE | (Na,Ca)(Al1+xSi3-x)O8 | tektosilicates | feldspar | major |
Description
Description:
brown crystals (7 cm) in rock matrix, var. labradorite
Origin
- Country: Mozambique
- Region: Tete Province
- Locality: Necungas, near border with Malawi
Specification
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Donors: ThonnardDonation year: 1965
-
Sampling year:Registration date:
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Quantity: 2Size: 2
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Dimension code 1>2>3: 3Quality 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