| Locality type: | Nature Reserve |
| Classification |
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| Species: | Allanite-(Ce) |
| Formula: | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified, XRD |
| Associated Minerals Based on Photo Data: |
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| Helvine | ⓘ1 photo of Allanite-(Ce) associated with Helvine at this locality. |
| Data |
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| Mineral Data: | Click here to view Allanite-(Ce) data |
| Locality Data: | Click here to view Hørtekollen, Sylling, Lier, Buskerud, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 922708 |
| Long-form Identifier: | 1:3:922708:8 |
| GUID (UUID V4): | 9475e4e1-d1ce-4103-87ec-c6f9d407459a |
| Nearest other occurrences of Allanite-(Ce) |
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| 12.7km (7.9 miles) | ⓘOppsjøen Mine, Oppsjø, Dikemark, Asker, Viken, Norway |
| 13.7km (8.5 miles) | ⓘVardåsen Tunnel, Asker, Viken, Norway |
| 13.9km (8.7 miles) | ⓘHeggedalsveien, Asker, Viken, Norway |
| 32.0km (19.9 miles) | ⓘÅrvollåsen Natural Monument, Oslomarka, Oslo, Norway |
| 32.2km (20.0 miles) | ⓘSandermosen Station, Maridalen, Oslomarka, Oslo, Norway |
| 32.7km (20.3 miles) | ⓘTonsenplassen, Oslomarka, Oslo, Norway |
| 33.9km (21.1 miles) | ⓘRødtvedt, Grorud, Oslo, Norway |
| 34.8km (21.6 miles) | ⓘBakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway |
| 36.8km (22.9 miles) | ⓘSkafjellås, Sande, Holmestrand, Vestfold, Norway |
| 37.4km (23.3 miles) | ⓘKristiansen Quarry (Bånkall Quarry), Bånkall, Grorud, Oslo, Norway |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | Rømming et al. (1993) for a sample from Hørtekollen, Norway. Raade et al. (1993) report kamphaugite-(Y)...hydrothermal fluids. As a consequence, epidote, allanite-(Ce), ferro-axinite, prehnite and a large range...and Schaltegger, 2003). Xenotime-(Y), and monazite(Ce) up to 4.34 wt.% of Y2O3, are less abundant. In the...F Total Total F:O La Cabrera wt.% 1s (51) Hørtekollen wt.% 1s (5) 0.04 0.12 17.80 33.80 0.05 0.24...03, Dy 0.06, Er 0.03, Yb 0.02, F 0.04, (Si, P, La, Ce, Nd, Sm, Eu, Tb, Tm, Lu, Th, U all <0.01), giving |  | | Journal (article/letter/editorial) | | metatorbernite, torbernite, gadolinite-(Y), allanite-(Ce), britholite-(Ce) or kamphaugite-(Y), among others. This...Concerning kristiansenite, only located in Heftetjern (Norway), Baveno (Italy), Szklarska Porcba, Lower Silesia...granite pegmatite locations involving Norway (Hørtekollen, Buskerud; Høydalen, Telemark; Tangen, Kragerø)...sorosilicate from granite pegmatite in Tørdal, Telemark, Norway. Mineral Petrol 75:89–99. https ://doi.org/10...silicate minerals in the Heftetjern granite pegmatite, Norway. Eur J Mineral 16:945–950. https: //doi. org/10 |
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Hørtekollen, Sylling, Lier, Buskerud, Norway