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Biotite from
Atagoyama, Koriyama City, Fukushima Prefecture, Japan


Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Atagoyama, Koriyama City, Fukushima Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:964787
Long-form Identifier:1:3:964787:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
22.5km (14.0 miles) ⓘKannonyama pegmatite (Kannonyama mine), Wagu, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima Prefecture, Japan
22.5km (14.0 miles) ⓘOrebody No. 1, Kannonyama pegmatite (Kannonyama mine), Wagu, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima Prefecture, Japan
22.5km (14.0 miles) ⓘOrebody No. 2, Kannonyama pegmatite (Kannonyama mine), Wagu, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima Prefecture, Japan
22.6km (14.0 miles) ⓘOrebody No. 3, Kannonyama pegmatite (Kannonyama mine), Wagu, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima Prefecture, Japan
22.8km (14.2 miles) ⓘWagu, Ishikawa town (Ishikawa-machi), Ishikawa District, Fukushima Prefecture, Japan
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
References
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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