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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Hollandite from
Pepito Mine, Nerva, Huelva, Andalusia, Spain


Locality type:Mine
Classification
Species:Hollandite
Formula:Ba(Mn64+Mn23+)O16
Confirmation
Validity:Confirmed
Confirmation Methods:Dealer/Collection Label
Data
Mineral Data:Click here to view Hollandite data
Locality Data:Click here to view Pepito Mine, Nerva, Huelva, Andalusia, Spain
Data Identifiers
Mindat Occurrence Record ID:821716
Long-form Identifier:1:3:821716:5
GUID (UUID V4):0
References
Färber, Gunnar (n.d.) Personal Communication, Gunnar Färber Mineralien.
 
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