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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Magnetite from
San Guillermo Mine, Coto San Guillermo, Jerez de Caballeros, Sierra Suroeste, Badajoz, Extremadura, Spain


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view San Guillermo Mine, Coto San Guillermo, Jerez de Caballeros, Sierra Suroeste, Badajoz, Extremadura, Spain
Data Identifiers
Mindat Occurrence Record ID:798293
Long-form Identifier:1:3:798293:4
GUID (UUID V4):0
Nearest other occurrences of Magnetite
0.6km (0.4 miles) ⓘSanta Bárbara mine (San Carlos quarry), Coto San Guillermo, Jerez de Caballeros, Sierra Suroeste, Badajoz, Extremadura, Spain
1.0km (0.6 miles) ⓘEl Colmenar mine (San Carlos quarry), Coto San Guillermo, Jerez de Caballeros, Sierra Suroeste, Badajoz, Extremadura, Spain
2.1km (1.3 miles) ⓘSanta Justa Mine, Coto San Guillermo, Jerez de Caballeros, Sierra Suroeste, Badajoz, Extremadura, Spain
8.0km (5.0 miles) ⓘLa Judia Mine, Burguillos del Cerro, Badajoz, Extremadura, Spain
10.3km (6.4 miles) ⓘMonchi Mine, Burguillos del Cerro, Badajoz, Extremadura, Spain
33.7km (20.9 miles) ⓘDefesa das Mercês Mine, Barrancos, Barrancos, Beja, Portugal
41.6km (25.8 miles) ⓘLas Herrerías deposit, Alconchel, Badajoz, Extremadura, Spain
57.8km (35.9 miles) ⓘAguablanca Mine (Agua Blanca Mine), Monesterio, Badajoz, Extremadura, Spain
60.7km (37.7 miles) ⓘPreguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
64.0km (39.7 miles) ⓘSerra da Abelheira Mine, Sobral da Adiça, Moura, Beja, Portugal
References
Calvo Rebollar, Miguel. (2009). Minerales y Minas de España. Vol. IV. Óxidos e hidróxidos. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 751 págs.
 
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