Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Magnetite from
Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan


Locality type:Mining District
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:58244
Long-form Identifier:1:3:58244:3
GUID (UUID V4):0
Localities for Magnetite in this Region
Daikoku deposit, Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan
Wanabasawa, Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan
Nearest other occurrences of Magnetite
55.3km (34.4 miles) ⓘSayama meteorite, Sayama City, Saitama Prefecture, Japan
74.3km (46.1 miles) ⓘMount Fuji, Shizuoka Prefecture, Japan
74.3km (46.1 miles) ⓘMount Fuji, Yamanashi Prefecture, Japan
82.6km (51.4 miles) ⓘHamayokokawa mine (Hamayokogawa mine), Kamiina District, Nagano Prefecture, Japan
90.1km (56.0 miles) ⓘMount Hakone, Ashigarakami District, Kanagawa Prefecture, Japan
97.7km (60.7 miles) ⓘKaso Mine, Kanuma City, Tochigi Prefecture, Japan
References
Harada, Zyunpéi (1954) Chemical Analyses of Japanese Minerals (III). Journal of the Faculty of Science, Hokkaido University, Series 4, Geology and mineralogy = 北海道大學理學部紀要, 8(4): 289-348.
Harada, K., Kodama, H., & Sudo, T. (1965). New mineralogical data for xanthophyllite from Japan. The Canadian Mineralogist, 8(2), 255-262.
Sadanaga, Ryoichi, Bunno, Michiaki (1974) The Wakabayashi Mineral Collection. Bulletin 7. The University Museum, The University of Tokyo
Hirotomo, U. (1986). Chemical Composition of Magnetite from the Hydrothermal Alteration Zone of Quartz Diorite Bodies, Chichibu Mining Area, Japan. Rock Magnetism and Paleogeophysics, 13, 60.
 
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