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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Fluorite from
Hosokura mine, Kurihara City, Miyagi Prefecture, Japan


Locality type:Mine
Classification
Species:Fluorite
Formula:CaF2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Hosokura mine, Kurihara City, Miyagi Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:299510
Long-form Identifier:1:3:299510:6
GUID (UUID V4):0
Nearest other occurrences of Fluorite
1.7km (1.0 miles) ⓘOdomori mine, Miyagi Prefecture, Japan
References
Narita, E. (1961). Wall rock alteration in the kanoko vein Swarm, Hosokura Mine, Miyagi prefecture, north-east Japan. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy= 北海道大學理學部紀要, 11(1), 59-75.
Sadanaga, Ryoichi, Bunno, Michiaki (1974) The Wakabayashi Mineral Collection. Bulletin 7. The University Museum, The University of Tokyo
Urabe, T. (1977) Partition of cadmium and manganese between coexisting sphalerite and galena from some Japanese epithermal deposits. Mineralium Deposita, 12 (3) 319-330 doi:10.1007/bf00206170
Nokleberg, W.J., ed., (2010) Metallogenesis and tectonics of northeast Asia: U.S. Geological Survey Professional Paper 1765, 624 p.
 
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