| Classification |
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| Species: | Fergusonite-(Y) |
| Formula: | YNbO4 |
| Chemical Analyses: |
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| Oxide wt%: | | 1 |
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| CaO | 1.00 % |
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| UO2 | 5.00 % |
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| ThO2 | 0.00 % |
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| Y2O3 | 28.00 % |
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| Nd2O3 | 0.00 % |
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| Sm2O3 | 1.00 % |
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| Gd2O3 | 1.00 % |
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| Dy2O3 | 3.00 % |
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| Er2O3 | 1.00 % |
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| Yb2O3 | 3.00 % |
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| Lu2O3 | 1.00 % |
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| Nb2O5 | 45.00 % |
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| Ta2O5 | 4.00 % |
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| Total: | 93.00 % |
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| Sample references: | |
| 1 | - | Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1 |
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| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Fergusonite-(Y) data |
| Locality Data: | Click here to view Atagoyama, Koriyama City, Fukushima Prefecture, Japan |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 964777 |
| Long-form Identifier: | 1:3:964777:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Fergusonite-(Y) |
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| 25.7km (16.0 miles) | ⓘKozoyama pegmatite, Nekonaki, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima Prefecture, Japan |
| 25.9km (16.1 miles) | ⓘIzutsuyama pegmatite, Nekonaki, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima Prefecture, Japan |
| 26.0km (16.2 miles) | ⓘIkkoyashiki pegmatite, Nekonaki, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima Prefecture, Japan |
| 38.8km (24.1 miles) | ⓘSuishoyama pegmatite (Suishouyama; Suisyoyama; Suishyoyama), Iizaka Village (Iisaka), Kawamata, Date District, Fukushima Prefecture, Japan |
| 39.1km (24.3 miles) | ⓘFusamata, Kawamata, Date District, Fukushima Prefecture, Japan |
| 66.4km (41.2 miles) | ⓘŌharikawahari, Marumori, Igu District, Miyagi Prefecture, Japan |
| References |
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Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1–6. |
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