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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Quartz from
Koryu mine (Kohryu mine), Chitose City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Aguilarite8
Galena7
Chalcopyrite7
Sphalerite5
Pyrite5
Native Gold5
- var Electrum5
Hessite5
Pyrargyrite3
Vermiculite2
Acanthite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Koryu mine (Kohryu mine), Chitose City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:110656
Long-form Identifier:1:3:110656:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
10.0km (6.2 miles) ⓘChitose mine, Chitose City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
24.1km (15.0 miles) ⓘToyoha Mine, Minami-ku, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
29.2km (18.2 miles) ⓘKobetsuzawa mine (Obetsuzawa mine), Nishi-ku, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
31.4km (19.5 miles) ⓘTeine Mine, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
31.9km (19.8 miles) ⓘShin-Ohtoyo deposit, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
32.8km (20.4 miles) ⓘTodoroki mine, Yoichi District, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan
34.2km (21.2 miles) ⓘWell NB–1, Noboribetsu City, Iburi Subprefecture, Hokkaidō Prefecture, Japan
41.8km (26.0 miles) ⓘShōwa-shinzan volcano, Usu District, Iburi Subprefecture, Hokkaidō Prefecture, Japan
43.5km (27.0 miles) ⓘMount Usu (Usu volcano), Usu District, Iburi Subprefecture, Hokkaidō Prefecture, Japan
58.0km (36.0 miles) ⓘOue mine (Oye mine; Ohe mine; Ooe mine; Oe mine), Yoichi District, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan
References
SUGAKI, Asahiko, KITAKAZE, Arashi, ISOBE, Kiyoshi (1985) Johannsenite from the Koryu mine, Hokkaido, Japan. Mineralogical Journal, 12 (7) 341-348 doi:10.2465/minerj.12.341
Shimizu, Toru, Matsueda, Hiroharu, Ishiyama, Daizo, Matsubaya, Osamu (1998) Genesis of epithermal Au-Ag mineralization of the Koryu Mine, Hokkaido, Japan. Economic Geology, 93 (3) 303-325 doi:10.2113/gsecongeo.93.3.303
Yuningsih, Euis T., Matsueda, Hiroharu (2018) Study on the Cu-As-Sb-Ag-Bi-Pb-Te Sulfosalt Minerals from the Hydrothermal System of Southwestern Hokkaido, Japan. Resource Geology, 68 (3) 209-226 doi:10.1111/rge.12157
 
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