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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Chalcedony from
Mugeuk mine (Mugeug mine; Muguk Mine), Jincheon County, North Chungcheong Province, South Korea


Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Mugeuk mine (Mugeug mine; Muguk Mine), Jincheon County, North Chungcheong Province, South Korea
Data Identifiers
Mindat Occurrence Record ID:443985
Long-form Identifier:1:3:443985:1
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
50.1km (31.1 miles) ⓘSambo Mine, Hwaseong City, Gyeonggi Province, South Korea
References
www.orientalminerals.com
 
and/or  
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