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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Hematite from
Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal


01692180017272042313252.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
06589160017272057974463.jpg
Hematite, etc.

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
08631380017272057974357.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
07152590017272074752561.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
01692180017272042313252.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
09452300017363985709579.jpg
Hematite, etc.

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
08631380017272057974357.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
01628160017363985711742.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
01692180017272042313252.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
06589160017272057974463.jpg
Hematite, etc.

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
08631380017272057974357.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
07152590017272074752561.jpg
Hematite

Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
Locality type:Mine
Classification
Species:Hematite
Formula:Fe2O3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Willemite3
Goethite2
Limonite1
Calcite1
Smithsonite1
Data
Mineral Data:Click here to view Hematite data
Locality Data:Click here to view Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:275261
Long-form Identifier:1:3:275261:7
GUID (UUID V4):0
Nearest other occurrences of Hematite
1.0km (0.6 miles) ⓘHerdade de Vila Ruiva Mine, Sobral da Adiça, Moura, Beja, Portugal
5.5km (3.4 miles) ⓘPreguiça No. 6 Mine, Sobral da Adiça, Moura, Beja, Portugal
5.5km (3.4 miles) ⓘSerra da Abelheira Mine, Sobral da Adiça, Moura, Beja, Portugal
6.7km (4.1 miles) ⓘHerdade de Palhais Mine, Sobral da Adiça, Moura, Beja, Portugal
8.3km (5.1 miles) ⓘCêrro da Oca Mine, Vale de Vargo, Vila Nova de São Bento e Vale de Vargo, Serpa, Beja, Portugal
8.6km (5.4 miles) ⓘVale de Vargo Mines, Vale de Vargo, Vila Nova de São Bento e Vale de Vargo, Serpa, Beja, Portugal
20.9km (13.0 miles) ⓘAparis Mine, Barrancos, Barrancos, Beja, Portugal
27.9km (17.3 miles) ⓘOrada Mine, Pias, Serpa, Beja, Portugal
31.4km (19.5 miles) ⓘRoncão Mine, Campo e Campinho, Reguengos de Monsaraz, Évora, Portugal
39.6km (24.6 miles) ⓘSan Telmo Mine, El Cerro de Andévalo, Huelva, Andalusia, Spain
References
Martins da Silva, J. & de Araújo, C. (1948): Estudo da concessão Umbria da Preguiça e dos campos livres Herdade da Preguiça, sítio do Álamo e Herdade do Álamo. Estudos, Notas, Trabalhos de Servico de Fomento Mineiro, 4(3-4), 197-209.
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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