Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Chlorite Group from
Ushizawamata prospect, Daisen City, Akita Prefecture, Japan


Locality type:Mine
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Ushizawamata prospect, Daisen City, Akita Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:1797248
Long-form Identifier:1:3:1797248:6
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
1.7km (1.1 miles) ⓘKisamori mine, Daisen City, Akita Prefecture, Japan
3.8km (2.4 miles) ⓘHisaichi mine, Daisen City, Akita Prefecture, Japan
5.6km (3.5 miles) ⓘArakawa Mine, Kyohwa, Semboku District, Akita Prefecture, Japan
34.2km (21.3 miles) ⓘAni Mine, Ani-machi, Kitaakita City, Akita Prefecture, Japan
53.0km (33.0 miles) ⓘTatemata mine, Hinai, Odate, Akita Prefecture, Japan
53.4km (33.2 miles) ⓘWashinosu mine, Waga District, Iwate Prefecture, Japan
59.9km (37.2 miles) ⓘUnekura mine, Yuda, Nishiwaga, Waga District, Iwate Prefecture, Japan
61.5km (38.2 miles) ⓘWashiaimori mine, Yuda, Nishiwaga, Waga District, Iwate Prefecture, Japan
62.0km (38.6 miles) ⓘOsarizawa Mine, Kazuno City, Akita Prefecture, Japan
68.2km (42.4 miles) ⓘMatsuki Mine (Takadate), Odate, Akita Prefecture, Japan
References
Satori, Shota; Kon, Yoshiaki; Watanabe, Yasushi; Ogata, Takeyuki; Echigo, Takuya; Aoki, Shogo (2025) Contribution of magma mixing to hydrothermal Cu mineralization: Evidence from the Arakawa area, Akita, Japan. Ore Geology Reviews, 186. 106862 doi:10.1016/j.oregeorev.2025.106862
 
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