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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Pyrrhotite from
Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal


Locality type:Mine
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Confirmed
Confirmation Methods:Polarised-light microscopy
XRD
SEM-EDS
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:972273
Long-form Identifier:1:3:972273:6
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
40.3km (25.0 miles) ⓘArgimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
44.5km (27.7 miles) ⓘBarroca Grande Mine, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Portugal
49.9km (31.0 miles) ⓘBejanca Mine (Carvalhal do Estanho), Queirã, Vouzela, Viseu, Portugal
54.2km (33.7 miles) ⓘVale de Abrutiga Mine, Ázere e Covelo, Tábua, Coimbra, Portugal
56.3km (35.0 miles) ⓘSanto António Mine, U.F. Penedono e Granja, Penedono, Viseu, Portugal
56.3km (35.0 miles) ⓘVieiros Mine, Penela da Beira, Penedono, Viseu, Portugal
62.6km (38.9 miles) ⓘSenhora da Guia Mines, Liboreiro, Góis, Góis, Coimbra, Portugal
64.3km (39.9 miles) ⓘGóis Mining Field, Góis, Coimbra, Portugal
65.6km (40.7 miles) ⓘAlmendra Mining Field, Almendra, Vila Nova de Foz Côa, Guarda, Portugal
65.7km (40.8 miles) ⓘNumão prospect, Numão, Vila Nova de Foz Côa, Guarda, Portugal
References
Alves, Pedro (n.d.) Personal communication.
 
and/or  
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