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
Yugashima mine, Amagi-Yugashima, Shizuoka 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 Yugashima mine, Amagi-Yugashima, Shizuoka Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:526706
Long-form Identifier:1:3:526706:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.6km (2.9 miles) ⓘMochikoshi mine, Amagi-Yugashima, Shizuoka Prefecture, Japan
8.2km (5.1 miles) ⓘSeikoshi mine, Izu City, Shizuoka Prefecture, Japan
11.5km (7.1 miles) ⓘToi mine, Izu City, Shizuoka Prefecture, Japan
15.3km (9.5 miles) ⓘMine hot springs (Odoriko-onsen), Kawazu, Kamo district, Shizuoka Prefecture, Japan
17.9km (11.1 miles) ⓘBeach gravels, Nishiizu, Kamo district, Shizuoka Prefecture, Japan
18.0km (11.2 miles) ⓘYanda, Kawazu, Kamo district, Shizuoka Prefecture, Japan
18.4km (11.4 miles) ⓘNawaji mine, Kawazu, Kamo district, Shizuoka Prefecture, Japan
20.2km (12.5 miles) ⓘKawazu mine (Rendaiji mine; Rendaizi mine), Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
23.1km (14.3 miles) ⓘKumomi, Matsuzaki, Kamo district, Shizuoka Prefecture, Japan
24.1km (15.0 miles) ⓘSuzaki mine (Susaki mine), Shimoda City, Shizuoka Prefecture, Japan
References
(n.d.) Dr. Kameki Kinoshita collection, Geological Survey of Japan.
 
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