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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Biotite from
Monte Hacho, Ceuta, Spain


Locality type:Mountain
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Monte Hacho, Ceuta, Spain
Data Identifiers
Mindat Occurrence Record ID:722082
Long-form Identifier:1:3:722082:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
65.3km (40.6 miles) ⓘPadrón river, Estepona, Málaga, Andalusia, Spain
79.7km (49.5 miles) ⓘFilali unit, Chefchaouen Province, Tanger-Tetouan-Al Hoceima Region, Morocco
80.4km (50.0 miles) ⓘLa Concepción mine, Ojén, Málaga, Andalusia, Spain
83.2km (51.7 miles) ⓘLa Gallega Mine, Ojén lherzolite massif, Ojén, Málaga, Andalusia, Spain
84.4km (52.5 miles) ⓘEl Robledal Mine (Cañuelo skarn), Igualeja, Málaga, Andalusia, Spain
88.4km (54.9 miles) ⓘAmter pegmatite field, Beni Bousera massif, Chefchaouen Province, Tanger-Tetouan-Al Hoceima Region, Morocco
References
J. Kornprobst: "Petrographical study of "acoustic basement" and associated breccia at site 121 - Western Alboran basin: a comparison with the Betico-Rifean basement." Deep Sea Drilling Project Initial Reports, volume 13.
 
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