Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Calcite from
Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan


Locality type:Mining District
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Arsenopyrite20
Quartz15
Pyrite15
Sphalerite15
Chalcopyrite10
Rhodochrosite5
Bournonite5
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:58229
Long-form Identifier:1:3:58229:4
GUID (UUID V4):0
Localities for Calcite in this Region
Hashikakezawa, Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan
Takiue orebody, 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 Calcite
36.3km (22.6 miles) ⓘShiromaru mine (Hakumaru mine), Okutama-cho, Nishitama district, Tokyo Metropolis, Japan
55.3km (34.4 miles) ⓘSayama meteorite, Sayama City, Saitama Prefecture, Japan
68.8km (42.8 miles) ⓘMogurazawa mine, Kiryu City, Gunma Prefecture, Japan
81.2km (50.5 miles) ⓘHofukuji River, Sorimachi, Matsumoto City, Nagano Prefecture, Japan
87.9km (54.6 miles) ⓘAshio mine (Ashio copper mine), Ashio, Nikko City, Tochigi Prefecture, Japan
97.7km (60.7 miles) ⓘKaso Mine, Kanuma City, Tochigi Prefecture, Japan
99.3km (61.7 miles) ⓘYugawara Hot Spring, Yugawara, Ashigarashimo District, Kanagawa Prefecture, Japan
References
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
 
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