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Sample n° 11252
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
ALMANDINE | Fe2+3Al2(SiO4)3 | nesosilicates | garnet | major |
PYROPE | Mg3Al2(SiO4)3 | nesosilicates | garnet | major |
Description
Description:
rounded crystals (0.1-2 cm) in gneiss
Information:
Tarte, P. & Deliens, M., 1973. Correlations between the infrared spectrum and the composition of garnets in the pyrope-almandine-spassartine series. Contributions to Mineralogy and Petrology 40, 25-37.
Origin
- Country: Ghana
- Region: Shai Hills Quarry
- Locality: Shai Hills Quarry, 85 km from Accra towards Akasombo
Specification
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Donors: ThysDonation year:
-
Sampling year:Registration date:
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Quantity: 13Size: 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