| Locality type: | Pegmatite |
| Classification |
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| Species: | Pyrochlore Group var: Yttropyrochlore (of Hogarth 1977) |
| Formula: | (Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7 |
| Chemical Analyses: |
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| Oxide wt%: | | 1 |
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| CaO | 1.20 % |
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| MnO | 1.70 % |
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| FeO | 3.40 % |
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| Sc2O3 | 6.00 % |
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| Y2O3 | 12.50 % |
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| SnO2 | 2.70 % |
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| UO2 | 6.60 % |
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| WO3 | 2.20 % |
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| Ta2O5 | 37.40 % |
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| Nb2O5 | 23.50 % |
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| TiO2 | 1.00 % |
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| F | 0.20 % |
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| Total: | 98.40 % |
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| Sample references: | |
| Comments: | Bergstøl & Juve (1988) found a scandian yttropyrochlore. As altered metamict product after ixiolite |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Yttropyrochlore (of Hogarth 1977) data |
| Locality Data: | Click here to view Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 60223 |
| Long-form Identifier: | 1:3:60223:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Yttropyrochlore (of Hogarth 1977) |
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| 87.9km (54.6 miles) | ⓘFrikstad 03 Feldspar Quarry (Tuftane), Frikstad, Iveland, Agder, Norway |
| References |
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