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Sample n° 13891
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
PLAGIOCLASE | (Na,Ca)(Al1+xSi3-x)O8 | tektosilicates | feldspar | major |
FORSTERITE | Mg2(SiO4) | nesosilicates | olivine | minor |
Description
Description:
purple plagioclase (var. labradorite), with green forsterite
Origin
- Country: Madagascar
- Region: Fianarantsoa Province
- Locality: Ihosy
Specification
-
Donors: RakotomamonjyDonation year: 1981
-
Sampling year:Registration date:
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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: yes