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Sample n° 19854
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
LEPIDOLITE | KLi2AlSi4O10F2 | phyllosilicates | mica | major |
MICROLITE | (Ca,Na)2Ta2O6(OH) | oxides and hydroxides | - | major |
Description
Description:
dark crystals in lepidolite matrix
Origin
- Country: USA
- Region: Colorado
- Locality: Brown Derby
Specification
-
Donors: de CuyperDonation year: 2022
-
Sampling year:Registration date:
-
Quantity: 1Size:
-
Dimension code 1>2>3: 2Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no