| Locality type: | Quarry |
| Classification |
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| Species: | Allanite-(Ce) |
| Formula: | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Comments: | Brögger found here in 1877 a small platy crystal of "orthite" (Brögger 1890) |
| Habit: | platy |
| Colour: | black |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Allanite-(Ce) data |
| Locality Data: | Click here to view Tonsenplassen, Oslomarka, Oslo, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 362529 |
| Long-form Identifier: | 1:3:362529:3 |
| GUID (UUID V4): | f155466c-16bd-4bba-9638-de5fd153a6e1 |
| Nearest other occurrences of Allanite-(Ce) |
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| 1.0km (0.6 miles) | ⓘÅrvollåsen Natural Monument, Oslomarka, Oslo, Norway |
| 1.4km (0.8 miles) | ⓘRødtvedt, Grorud, Oslo, Norway |
| 5.1km (3.2 miles) | ⓘKristiansen Quarry (Bånkall Quarry), Bånkall, Grorud, Oslo, Norway |
| 6.5km (4.1 miles) | ⓘGjelleråsen, Nittedal, Viken, Norway |
| 6.9km (4.3 miles) | ⓘSandermosen Station, Maridalen, Oslomarka, Oslo, Norway |
| 29.6km (18.4 miles) | ⓘHeggedalsveien, Asker, Viken, Norway |
| 29.6km (18.4 miles) | ⓘVardåsen Tunnel, Asker, Viken, Norway |
| 29.7km (18.5 miles) | ⓘOppsjøen Mine, Oppsjø, Dikemark, Asker, Viken, Norway |
| 52.9km (32.9 miles) | ⓘSkafjellås, Sande, Holmestrand, Vestfold, Norway |
| 53.7km (33.3 miles) | ⓘNordre Jarlsberg Brygge, Selvik, Sande, Holmestrand, Vestfold, Norway |
| References |
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