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Microlite Group from
Varuträsk, Skellefteå, Västerbotten County, Sweden
| Locality type: | Pegmatite | |
| Classification | ||
|---|---|---|
| Species: | 'Microlite Group' (not an IMA approved species) | |
| Formula: | A2-mTa2X6-wZ1-n | |
| Comments: | subhedral crystals up to 20 mm. chemistry appr. (Ca,Na)2(Ta,Nb)2O6(OH,F). Also as metasomatic product, replacing columbite-tantalite. Metasomatic microlite has A-site deficiencies and low F in contrast to primary microlite. | |
| Abundance at site: | Rare | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Columbite-(Fe)-Columbite-(Mn) Series | 2 | |
| Quartz | 2 | |
| Elbaite | 2 | |
| Stibiotantalite | 1 | |
| Albite | 1 | |
| Data | ||
| Mineral Data: | Click here to view Microlite Group data | |
| Locality Data: | Click here to view Varuträsk, Skellefteå, Västerbotten County, Sweden | |
| Photo Gallery | View Gallery (2 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 53993 | |
| Long-form Identifier: | 1:3:53993:7 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Microlite Group | ||
| 26.8km (16.7 miles) | ⓘÅkerberg mine, Skellefteå, Västerbotten County, Sweden | |
| References | ||
Varuträsk, Skellefteå, Västerbotten County, Sweden