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
Kamisugai mine, Ouzu City, Ehime Prefecture, Japan


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Kamisugai mine, Ouzu City, Ehime Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:1015335
Long-form Identifier:1:3:1015335:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
13.3km (8.3 miles) ⓘMt Kannan, Ouzu City, Ehime Prefecture, Japan
15.4km (9.6 miles) ⓘOhkuki mine (Okuki deposit), Kita District, Ehime Prefecture, Japan
23.8km (14.8 miles) ⓘKanogawa unit outcrop, Kawabecho Uematsu, Hijikawa district, Ouzu City, Ehime Prefecture, Japan
50.9km (31.6 miles) ⓘMt Takanawa (Takanawa-yama), Matsuyama City, Ehime Prefecture, Japan
71.3km (44.3 miles) ⓘMategata, Namikata-cho, Imabari City, Ehime Prefecture, Japan
72.5km (45.0 miles) ⓘFukumaki mine, Kudamatsu City, Yamaguchi Prefecture, Japan
74.5km (46.3 miles) ⓘIchinokawa Mine, Saijo City, Ehime Prefecture, Japan
77.8km (48.3 miles) ⓘFujigatani mine, Iwakuni City, Yamaguchi Prefecture, Japan
80.7km (50.2 miles) ⓘBesshi mine (Bessi mine), Besshi, Niihama City, Ehime Prefecture, Japan
81.5km (50.6 miles) ⓘHime Island (Hime-shima), Oita Prefecture, Japan
References
Fukushima, H., Minakawa, T. & Nishio, D. (2005): Ba-rich tweddillite from the Kamisugai mine in the Sambagawa metamorphic belt, Shikoku, Japan. Ganseki Kobutsu Kagaku 34, 69-76. (in Japanese)
Nakagawa, M., Santosh, M., Maruyama, S. (2009) Distribution and mineral assemblages of bedded manganese deposits in Shikoku, Southwest Japan: Implications for accretion tectonics. Gondwana Research, 16 (3) 609-621 doi:10.1016/j.gr.2009.05.003
 
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