| Classification |
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| Species: | Columbite-(Fe) |
| Formula: | Fe2+Nb2O6 |
| Chemical Analyses: |
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| Oxide wt%: | | 1 | 2 |
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| MgO | 0.00 % | 0.00 % |
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| MnO | 6.00 % | 6.00 % |
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| FeO | 10.00 % | 11.00 % |
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| Sc2O3 | 1.00 % | 1.00 % |
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| TiO2 | 2.00 % | 2.00 % |
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| Nb2O5 | 68.00 % | 68.00 % |
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| Ta2O5 | 9.00 % | 9.00 % |
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| Total: | 96.00 % | 97.00 % |
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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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| 2 | - | 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 Columbite-(Fe) data |
| Locality Data: | Click here to view Atagoyama, Koriyama City, Fukushima Prefecture, Japan |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 964783 |
| Long-form Identifier: | 1:3:964783:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Columbite-(Fe) |
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| 22.5km (14.0 miles) | ⓘKannonyama pegmatite (Kannonyama mine), Wagu, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima 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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