Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Magnetite from
Geumseong Mo deposit, Hwanggangri District, North Chungcheong Province, South Korea


Locality type:Deposit
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Geumseong Mo deposit, Hwanggangri District, North Chungcheong Province, South Korea
Data Identifiers
Mindat Occurrence Record ID:1694148
Long-form Identifier:1:3:1694148:9
GUID (UUID V4):0
Nearest other occurrences of Magnetite
12.2km (7.6 miles) ⓘGeumsil mine, Chungju City, North Chungcheong Province, South Korea
16.4km (10.2 miles) ⓘHwanggangri District, North Chungcheong Province, South Korea
30.6km (19.0 miles) ⓘChungju deposit, Mt. Eorae, Joongwon-gun, Chungju City, North Chungcheong Province, South Korea
57.7km (35.9 miles) ⓘSangdong Mine, Sangdong-gun, Gangwon Province, South Korea
81.0km (50.3 miles) ⓘJanggun mine, Bonghwa County, North Gyeongsang Province, South Korea
81.4km (50.6 miles) ⓘGagok Mine, Samchok City, Gangwon Province, South Korea
92.7km (57.6 miles) ⓘHongcheon Carbonatite, Hongcheon County, Gangwon Province, South Korea
93.5km (58.1 miles) ⓘBoam deposit, Wangbi-ri, Uljin County, North Gyeongsang Province, South Korea
References
Kim, Ilkyu, Im, Heonkyung, Shin, Dongbok, Jo, Jaeguk (2025) Major and trace element geochemistry of garnets from the Geumseong Mo skarn deposit, South Korea: Genesis and exploration implications. Ore Geology Reviews, 178. 106504 doi:10.1016/j.oregeorev.2025.106504
 
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