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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Siderite from
Porteirinhos Mine, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified, SEM-EDS
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Porteirinhos Mine, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal
Data Identifiers
Mindat Occurrence Record ID:1102222
Long-form Identifier:1:3:1102222:0
GUID (UUID V4):0
Nearest other occurrences of Siderite
4.8km (3.0 miles) ⓘBrancanes Mine, Brancanes, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal
6.6km (4.1 miles) ⓘNeves-Corvo Mine, Santa Bárbara de Padrões, Castro Verde, Beja, Portugal
13.4km (8.3 miles) ⓘCêrro das Ferrarias, Barrigão Mine, Santa Cruz, Almodôvar, Beja, Portugal
13.5km (8.4 miles) ⓘBarrigão Mine, Santa Cruz, Almodôvar, Beja, Portugal
22.1km (13.7 miles) ⓘVentosa (Ferrarias) Mine, São Pedro de Solis e São Sebastião dos Carros, Mértola, Beja, Portugal
23.8km (14.8 miles) ⓘBarranco do Vale Covo Mine, Santa Cruz, Almodôvar, Beja, Portugal
27.0km (16.8 miles) ⓘCerro do Monte Mine, São João dos Caldeireiros, Mértola, Beja, Portugal
29.1km (18.1 miles) ⓘNamorados Mines, Namorados, Mértola, Mértola, Beja, Portugal
29.7km (18.5 miles) ⓘDaroeira Mine, Martim Longo, Alcoutim, Faro, Portugal
32.9km (20.5 miles) ⓘFeitais deposit, Aljustrel Mine, Aljustrel e Rio de Moinhos, Aljustrel, Beja, Portugal
References
Field observations (Pedro Alves, 2017).
 
and/or  
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