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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Amphibole Supergroup from
Gwanin magnetite mine, Pocheon City, Gyeonggi Province, South Korea


Locality type:Mine
Classification
Species:'Amphibole Supergroup' (not an IMA approved species)
Formula:AB2C5(T8O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Amphibole Supergroup data
Locality Data:Click here to view Gwanin magnetite mine, Pocheon City, Gyeonggi Province, South Korea
Data Identifiers
Mindat Occurrence Record ID:1531230
Long-form Identifier:1:3:1531230:7
GUID (UUID V4):0
Nearest other occurrences of Amphibole Supergroup
31.8km (19.8 miles) ⓘHoamsan Intrusion, Pyonggang County, Kangwon Province, North Korea
43.1km (26.8 miles) ⓘAbdong Zr-Nb deposit (Aptong; Apdong), Pyonggang County, Kangwon Province, North Korea
44.6km (27.7 miles) ⓘPokjinsan Intrusion, Pyonggang County, Kangwon Province, North Korea
44.6km (27.7 miles) ⓘPokjin mountain, Pyonggang County, Kangwon Province, North Korea
69.1km (43.0 miles) ⓘOksanga jade mine, Chuncheon City, Gangwon Province, South Korea
74.6km (46.4 miles) ⓘHongcheon Carbonatite, Hongcheon County, Gangwon Province, South Korea
References
Lee, Ji–Hyun; Yang, Seok–Jun; White, Noel C.; Shin, Dongbok; Kim, Eui–Jun (2022) Whole-rock geochemistry and mineral compositions of gabbroic rocks and the associated Fe–Ti (–V) oxide deposit in the Gonamsan intrusion, South Korea. Ore Geology Reviews, 148. p.105054. doi:10.1016/j.oregeorev.2022.105054
 
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