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
Arakawa, Minamiboso city, Chiba Prefecture, Japan


Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Arakawa, Minamiboso city, Chiba Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:684169
Long-form Identifier:1:3:684169:0
GUID (UUID V4):0
Nearest other occurrences of Calcite
79.3km (49.3 miles) ⓘYugawara Hot Spring, Yugawara, Ashigarashimo District, Kanagawa Prefecture, Japan
95.7km (59.5 miles) ⓘYanda, Kawazu, Kamo district, Shizuoka Prefecture, Japan
96.7km (60.1 miles) ⓘSayama meteorite, Sayama City, Saitama Prefecture, Japan
96.8km (60.1 miles) ⓘNawaji mine, Kawazu, Kamo district, Shizuoka Prefecture, Japan
96.9km (60.2 miles) ⓘYugashima mine, Amagi-Yugashima, Shizuoka Prefecture, Japan
References
XRD and Raman analyses by Marcus Origlieri.
Momma, Koichi, Ikeda, Takuji, Nagase, Toshiro, Kuribayashi, Takahiro, Honma, Chibune, Nishikubo, Katsumi, Takahashi, Naoki, Takada, Masayuki, Matsushita, Yoshitaka, Miyawaki, Ritsuro, Matsubara, Satoshi (2020) Bosoite, a new silica clathrate mineral from Chiba Prefecture, Japan. Mineralogical Magazine, 84 (6) 941-948 doi:10.1180/mgm.2020.91
 
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