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Biotite from
Golpejas Mining Group, Golpejas, Salamanca, Castile and Leon, Spain


Locality type:Mine
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 Golpejas Mining Group, Golpejas, Salamanca, Castile and Leon, Spain
Data Identifiers
Mindat Occurrence Record ID:1992240
Long-form Identifier:1:3:1992240:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
8.7km (5.4 miles) ⓘMimosa Mine, Aldehuela de la BÃģveda, Salamanca, Castile and Leon, Spain
42.9km (26.7 miles) ⓘLos Santos W deposit, Los Santos, Salamanca, Castile and Leon, Spain
49.0km (30.5 miles) ⓘGold deposits (incl. Saturno Mine; Los Espinos Valley), Barruecopardo, Salamanca, Castile and Leon, Spain
60.9km (37.8 miles) ⓘBarruecopardo Mine, Barruecopardo, Salamanca, Castile and Leon, Spain
75.9km (47.1 miles) ⓘVillaflor, Muelas del Pan, Zamora, Castile and Leon, Spain
76.7km (47.7 miles) ⓘVillafranca de la Sierra quarry, Villafranca de la Sierra, Ávila, Castile and Leon, Spain
76.8km (47.7 miles) ⓘCerezal de Aliste, Muelas del Pan, Zamora, Castile and Leon, Spain
79.3km (49.2 miles) ⓘPortugal 1 & 2 quarries, Malpartida, Malpartida e Vale de Coelha, Almeida, Guarda, Portugal
81.0km (50.3 miles) ⓘBermillo de Alba, Fonfría, Zamora, Castile and Leon, Spain
95.5km (59.3 miles) ⓘSanta Ana, AlcaÃąices, Zamora, Castile and Leon, Spain
References
Mota, Alexandra; Sant’Ovaia, Helena; FÃĄdon, Oscar; Noronha, Fernando (2026) The Geochemistry of Granites Associated with W-Sn Deposits of North and Central Portugal and Castilla-LeÃģn in Spain. Minerals, 16 (8). doi:10.3390/min16080823
 
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