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Sample n° 11831
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
MICA | K(Al,Fe,Mg)2(Si3Al)O10(OH)2 | phyllosilicates | mica | major |
CRYOLITE | Na2NaAlF6 | halides | - | minor |
FLUORITE | CaF2 | halides | - | minor |
Description
Description:
yellow plates on block (4 cm) of white cryolite and purple fluorite
Origin
- Country: Denmark
- Region: Greenland
- Locality: Ivigtut
Specification
-
Donors: Mineralogical Museum, CopenhagenDonation year: 1960
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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: no