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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Biotite from
Panceiros pegmatite, Campo Lameiro, Pontevedra, Galicia, Spain


Locality type:Pegmatite
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 Panceiros pegmatite, Campo Lameiro, Pontevedra, Galicia, Spain
Data Identifiers
Mindat Occurrence Record ID:1334428
Long-form Identifier:1:3:1334428:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
21.9km (13.6 miles) ⓘForcarei Norte pegmatite field, Silleda, Pontevedra, Galicia, Spain
26.2km (16.3 miles) ⓘFontao mines, Silleda, Pontevedra, Galicia, Spain
34.4km (21.4 miles) ⓘSan Finx Mines, Vilacova, Lousame, A Coruña, Galicia, Spain
35.6km (22.1 miles) ⓘMount Ermelo, Moaña, Pontevedra, Galicia, Spain
38.6km (24.0 miles) ⓘArienteiro deposit, Touro Copper Project, Touro, A Coruña, Galicia, Spain
38.8km (24.1 miles) ⓘTouro Copper Project, Touro, A Coruña, Galicia, Spain
40.5km (25.2 miles) ⓘCillarga Quarry, Ponteareas, Pontevedra, Galicia, Spain
43.6km (27.1 miles) ⓘA Franqueira, A Cañiza, Pontevedra, Galicia, Spain
44.1km (27.4 miles) ⓘPorriño quarries, Porriño, Pontevedra, Galicia, Spain
63.5km (39.5 miles) ⓘBaiñas-Mazaricos gneisses, Dumbría, A Coruña, Galicia, Spain
References
Roza Llera, A.
Fuertes-Fuente, M.
Cepedal, A.
Roza Llera, Ana, Fuertes-Fuente, Mercedes, Cepedal, Antonia, Martin-Izard, Agustín (2019) Barren and Li–Sn–Ta Mineralized Pegmatites from NW Spain (Central Galicia): A Comparative Study of Their Mineralogy, Geochemistry, and Wallrock Metasomatism. Minerals, 9 (12) 739 doi:10.3390/min9120739
 
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