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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Chlorite Group from
Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal


Locality type:Mine
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
Data Identifiers
Mindat Occurrence Record ID:1904716
Long-form Identifier:1:3:1904716:4
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
20.9km (13.0 miles) ⓘAparis Mine, Barrancos, Barrancos, Beja, Portugal
43.8km (27.2 miles) ⓘHerdade da Ventosa Mine, Nossa Senhora das Neves, Beja, Beja, Portugal
48.5km (30.2 miles) ⓘAguas Teñidas Mine, Almonaster la Real, Huelva, Andalusia, Spain
49.3km (30.6 miles) ⓘArado do Castanheiro Mine, Santana, Portel, Évora, Portugal
52.4km (32.5 miles) ⓘFilón Norte open pit (Filón Norte Mine), Tharsis Mines, Tharsis, Alosno, Huelva, Andalusia, Spain
58.6km (36.4 miles) ⓘLas Herrerías deposit, Alconchel, Badajoz, Extremadura, Spain
59.3km (36.8 miles) ⓘSotiel Mine, Sotiel-Coronada mines, Calañas, Huelva, Andalusia, Spain
61.7km (38.3 miles) ⓘSierra de Aracena, Los Marines, Huelva, Andalusia, Spain
61.7km (38.3 miles) ⓘSoloviejo Mines, Almonaster la Real, Huelva, Andalusia, Spain
66.3km (41.2 miles) ⓘMasa Valverde Mine (Valverde Mine), Beas, Huelva, Andalusia, Spain
References
Silva, Teresa P.; Morais, Igor; Soares, Sofia; Rodrigues, Ivo; Oliveira, Daniel P. S.; Mirão, José (2026) New Contributions to Mineralogical and Geochemical Knowledge of Old Preguiça Mine, Beja, Portugal. Minerals, 16 (4). doi:10.3390/min16040348
 
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