Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Chalcedony from
Guillermín Mine, Guillermín Mining Group, Alcaracejos, Córdoba, Andalusia, Spain


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 Guillermín Mine, Guillermín Mining Group, Alcaracejos, Córdoba, Andalusia, Spain
Data Identifiers
Mindat Occurrence Record ID:1251345
Long-form Identifier:1:3:1251345:5
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
28.7km (17.8 miles) ⓘVértice Quarry, Toril Hill (Cerro Muriano), Villaviciosa de Córdoba, Córdoba, Andalusia, Spain
65.7km (40.8 miles) ⓘTrapero Mine, Cardeña, Córdoba, Andalusia, Spain
References
www.foro-minerales.com (2021) https://www.foro-minerales.com/forum/viewtopic.php?p=139483#139483
 
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