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
Casas Novas Mine, Santiago do Escoural, Montemor-o-Novo, Évora, Portugal


Locality type:Mine
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Casas Novas Mine, Santiago do Escoural, Montemor-o-Novo, Évora, Portugal
Data Identifiers
Mindat Occurrence Record ID:1972098
Long-form Identifier:1:3:1972098:4
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
1.9km (1.2 miles) ⓘHerdade da Defesa Mine, Santiago do Escoural, Montemor-o-Novo, Évora, Portugal
15.2km (9.5 miles) ⓘMonfurado gold prospect, São Cristóvão, Montemor-o-Novo, Évora, Portugal
25.4km (15.8 miles) ⓘHerdade do Sobral Mine, Torre de Coelheiros, Évora, Évora, Portugal
30.3km (18.8 miles) ⓘFe occurrence, Águas de Peixes, Alvito, Alvito, Beja, Portugal
30.3km (18.8 miles) ⓘZn-Pb occurrence, Águas de Peixes, Alvito, Alvito, Beja, Portugal
33.0km (20.5 miles) ⓘAlvito Mine, Vila Nova de Baronia, Alvito, Beja, Portugal
42.6km (26.4 miles) ⓘArado do Castanheiro Mine, Santana, Portel, Évora, Portugal
44.4km (27.6 miles) ⓘAlgares Mine, Portel, Portel, Évora, Portugal
46.1km (28.7 miles) ⓘLagoa Salgada deposit, Grândola e Santa Margarida da Serra, Grândola, Setúbal, Portugal
62.8km (39.0 miles) ⓘLousal Mine, Azinheira dos Barros, Grândola, Setúbal, Portugal
References
São Pedro, Diogo; Roseiro, José; Pedro, Jorge; Mirão, José; Fuertes-Fuente, Mercedes; Nogueira, Pedro (2026) Decoding Orogenic Gold Mineralization Types During Regional Metamorphic Evolution: Detailed Textural Analysis from a Deposit in the Ossa-Morena Zone (SW Iberia). Minerals, 16 (7). doi:10.3390/min16070709
 
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