Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Muscovite from
Masa Valverde Mine (Valverde Mine), Beas, Huelva, Andalusia, Spain


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Masa Valverde Mine (Valverde Mine), Beas, Huelva, Andalusia, Spain
Data Identifiers
Mindat Occurrence Record ID:1233640
Long-form Identifier:1:3:1233640:3
GUID (UUID V4):0
Nearest other occurrences of Muscovite
21.4km (13.3 miles) ⓘFilón Norte open pit (Filón Norte Mine), Tharsis Mines, Tharsis, Alosno, Huelva, Andalusia, Spain
25.1km (15.6 miles) ⓘAguas Teñidas Mine, Almonaster la Real, Huelva, Andalusia, Spain
27.6km (17.1 miles) ⓘSoloviejo Mines, Almonaster la Real, Huelva, Andalusia, Spain
31.4km (19.5 miles) ⓘRio Tinto Mines, Minas de Riotinto, Huelva, Andalusia, Spain
45.0km (28.0 miles) ⓘSierra de Aracena, Los Marines, Huelva, Andalusia, Spain
66.3km (41.2 miles) ⓘPreguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
66.3km (41.2 miles) ⓘAparis Mine, Barrancos, Barrancos, Beja, Portugal
75.6km (47.0 miles) ⓘAguablanca Mine (Agua Blanca Mine), Monesterio, Badajoz, Extremadura, Spain
83.8km (52.1 miles) ⓘGulf of Cádiz, Atlantic Ocean
92.5km (57.5 miles) ⓘBarrigão Mine, Santa Cruz, Almodôvar, Beja, Portugal
References
Toscano, M., Ruiz de Almodóvar, G., & Sáez, R. (1994). Variación composicional de las sericitas de alteración hidrotermal en sulfuros masivos:" Masa Valverde"(Huelva). Boletín de la Sociedad Española de Mineralogía, (17-1), 161-162.
Ruiz, Casilda; Arribas, Antonio (2002) Mineralogy and geochemistry of the Masa Valverde blind massive sulphide deposit, Iberian Pyrite Belt (Spain). Ore Geology Reviews, 19 (1). doi:10.1016/s0169-1368(01)00037-3
Castroviejo, Ricardo, Quesada, Cecilio, Soler, Miguel (2011) Post-depositional tectonic modification of VMS deposits in Iberia and its economic significance. Mineralium Deposita, 46 (5) 615-637 doi:10.1007/s00126-010-0306-7
 
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