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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Chlorite Group from
Casilda Mine, Tremor de arriba, Iguena, El Bierzo, León, Castile and Leon, Spain


Locality type:Mine
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pyrite4
Dolomite3
Quartz2
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Casilda Mine, Tremor de arriba, Iguena, El Bierzo, León, Castile and Leon, Spain
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:1075126
Long-form Identifier:1:3:1075126:4
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
16.9km (10.5 miles) Sarita Mine, Albares de la Ribera, Torre del Bierzo, El Bierzo, León, Castile and Leon, Spain
28.7km (17.8 miles) Coto Vivaldi mine, Congosto, El Bierzo, León, Castile and Leon, Spain
30.6km (19.0 miles) Coto San Bernardo mine, Astorga, León, Castile and Leon, Spain
60.7km (37.7 miles) Currito Mine, Cadafresnas, Corullón, Castile and Leon, Spain
62.6km (38.9 miles) El Valle-Boinás Mine, Belmonte de Miranda, Asturias, Spain
64.8km (40.2 miles) Casayo mines (Casaio mines; Valborraz mines), Carballeda de Valdeorras, Valdeorras, Ourense, Galicia, Spain
71.2km (44.2 miles) Carlés Mine, Carlés, Salas, Asturias, Spain
80.9km (50.3 miles) La Campa mine, Santa Eufemia, Folgoso do Courel, Quiroga, Lugo, Galicia, Spain
88.1km (54.8 miles) Portas del Sil Au deposit, Ribas de Sil, Quiroga, Lugo, Galicia, Spain
References
 
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