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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Marcasite from
Porriño quarries, Porriño, Pontevedra, Galicia, Spain


Locality type:Quarry
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Porriño quarries, Porriño, Pontevedra, Galicia, Spain
Data Identifiers
Mindat Occurrence Record ID:602964
Long-form Identifier:1:3:602964:7
GUID (UUID V4):0
Nearest other occurrences of Marcasite
34.6km (21.5 miles) ⓘValdarcas Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
35.4km (22.0 miles) ⓘCerdeirinha Mine, Arga de Baixo, Caminha, Viana do Castelo, Portugal
39.2km (24.4 miles) ⓘLagoa Mine (Cerquido Mine), Estorãos, Ponte de Lima, Viana do Castelo, Portugal
39.7km (24.6 miles) ⓘCavalinho Mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
68.8km (42.8 miles) ⓘTibães Mine, Mire de Tibães, Braga, Braga, Portugal
75.3km (46.8 miles) ⓘBorralha Mines, Salto, Montalegre, Vila Real, Portugal
81.5km (50.6 miles) ⓘBama deposit, Touro Copper Project, Touro, A Coruña, Galicia, Spain
93.8km (58.3 miles) ⓘLimarinho deposit, Ardãos e Bobadela, Boticas, Vila Real, Portugal
99.8km (62.0 miles) ⓘMonte de Entre-Portelas Mine (S. João Mine; Adoria Mine), Cerva e Limões, Ribeira de Pena, Vila Real, Portugal
References
Calvo, M.; Viñals, J.; Vila, F. (2009) Mineralogy of the pegmatites and miarolitic cavities in the granitic batholit of Porriño, Pontevedra, Galicia, Spain. Mineral Up, (2009-1), 6-23.
 
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