| Locality type: | Town |
| Classification |
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| Species: | Muscovite |
| Formula: | KAl2(AlSi3O10)(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Muscovite data |
| Locality Data: | Click here to view Nagatoro, Chichibu District, Saitama Prefecture, Japan |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 646133 |
| Long-form Identifier: | 1:3:646133:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Muscovite |
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| 50.5km (31.4 miles) | ⓘOgawa-yama, Kawakami-mura, Minamisaku District, Nagano Prefecture, Japan |
| 52.3km (32.5 miles) | ⓘVein No. 1, Tsukubara mine, Kiryu City, Gunma Prefecture, Japan |
| 52.3km (32.5 miles) | ⓘVein No. 2, Tsukubara mine, Kiryu City, Gunma Prefecture, Japan |
| 53.7km (33.4 miles) | ⓘTakemori, Enzan, Koshu City, Kinpuzan mining district, Yamanashi Prefecture, Japan |
| 55.0km (34.2 miles) | ⓘHagidaira mine, Seta, Midori City, Gunma Prefecture, Japan |
| 64.7km (40.2 miles) | ⓘAshio mine (Ashio copper mine), Ashio, Nikko City, Tochigi Prefecture, Japan |
| 86.2km (53.6 miles) | ⓘNebazawa mine, Katashina, Tone District, Gunma Prefecture, Japan |
| References |
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Yano, Moei; Yasukawa, Kazutaka; Nozaki, Tatsuo; Fujinaga, Koichiro; Ogasawara, Mitsuki; Nakamura, Kentaro; Iwamori, Hikaru; Kato, Yasuhiro (2027) Geochemistry of hematite-quartz schist in the Sanbagawa metamorphic belt, Japan: A metamorphosed umber deposit. Journal of Geochemical Exploration, 292. p.108246. doi:10.1016/j.gexplo.2026.108246 |
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