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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Orthoclase from
Puy Serge, Blot-l'Église, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


Locality type:Quarry
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Puy Serge, Blot-l'Église, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:820269
Long-form Identifier:1:3:820269:7
GUID (UUID V4):0
References
Wolff-Dietrich Lehmann collection
 
and/or  
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