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
Kawazu mine (Rendaiji mine; Rendaizi mine), Rendaiji, Shimoda City, Shizuoka Prefecture, Japan


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Kawazu mine (Rendaiji mine; Rendaizi mine), Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:58598
Long-form Identifier:1:3:58598:1
GUID (UUID V4):0
Nearest other occurrences of Calcite
5.7km (3.5 miles) ⓘSuzaki mine (Susaki mine), Shimoda City, Shizuoka Prefecture, Japan
6.8km (4.2 miles) ⓘNawaji mine, Kawazu, Kamo district, Shizuoka Prefecture, Japan
7.9km (4.9 miles) ⓘYanda, Kawazu, Kamo district, Shizuoka Prefecture, Japan
20.2km (12.5 miles) ⓘYugashima mine, Amagi-Yugashima, Shizuoka Prefecture, Japan
20.4km (12.6 miles) ⓘMochikoshi mine, Amagi-Yugashima, Shizuoka Prefecture, Japan
23.9km (14.9 miles) ⓘSeikoshi mine, Izu City, Shizuoka Prefecture, Japan
52.2km (32.4 miles) ⓘYugawara Hot Spring, Yugawara, Ashigarashimo District, Kanagawa Prefecture, Japan
57.0km (35.4 miles) ⓘTakakusayama District, Shizuoka City, Shizuoka Prefecture, Japan
References
(unpublished species lists maintained by local collectors
needs confirmation)
 
and/or  
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