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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Plagioclase from
Guareña meteorite, Oliva de Mérida, Badajoz, Extremadura, Spain


Locality type:Meteorite Fall Location
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Comments:Plagioclase composition (An13.1Ab80.4Or6.5).
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Guareña meteorite, Oliva de Mérida, Badajoz, Extremadura, Spain
Data Identifiers
Mindat Occurrence Record ID:953546
Long-form Identifier:1:3:953546:6
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
78.9km (49.0 miles) ⓘSierra de San Cristóbal, Logrosán, Cáceres, Extremadura, Spain
87.3km (54.3 miles) ⓘAguablanca Mine (Agua Blanca Mine), Monesterio, Badajoz, Extremadura, Spain
87.3km (54.3 miles) ⓘCerro de la Sal quarry, Sierra Albarrana, Hornachuelos, Córdoba, Andalusia, Spain
91.1km (56.6 miles) ⓘOlivenza meteorite, Olivenza, Badajoz, Extremadura, Spain
92.9km (57.7 miles) ⓘLas Herrerías deposit, Alconchel, Badajoz, Extremadura, Spain
References
McCoy, T.J., Casanova, I., Keil K. & Wieler, R. (1990) Classification of four ordinary chondrites from Spain: Meteoritics 25(2): 77-79. (June1990).
Rubin, Alan E. (1990) Kamacite and olivine in ordinary chondrites: Intergroup and intragroup relationships. Geochimica et Cosmochimica Acta, 54 (5) 1217-1232 doi:10.1016/0016-7037(90)90148-e
Rubin, Alan E. (2004) Postshock annealing and postannealing shock in equilibrated ordinary chondrites: implications for the thermal and shock histories of chondritic asteroids. Geochimica et Cosmochimica Acta, 68 (3). p.673-689. doi:10.1016/s0016-7037(03)00452-6
Grady, M. M., Pratesi, G., Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press.
 
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