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
Barroca da Mina Mine (or Barroca da Santa Mine), Sarzedas, Castelo Branco, Castelo Branco, Portugal


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
SEM-EDS
Associated Minerals Based on Photo Data:
Zinkenite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Barroca da Mina Mine (or Barroca da Santa Mine), Sarzedas, Castelo Branco, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:979013
Long-form Identifier:1:3:979013:1
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.7km (0.4 miles) ⓘVale da Carreira Mine (Vale das Gatas Mine), Sarzedas, Castelo Branco, Castelo Branco, Portugal
16.1km (10.0 miles) ⓘVale de Roxa Mine, Almaceda, Castelo Branco, Castelo Branco, Portugal
17.2km (10.7 miles) ⓘBorralhal Mine, União de Freguesias de Estreito e Vilar Barroco, Oleiros, Castelo Branco, Portugal
31.8km (19.8 miles) ⓘBarroca Grande Mine, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Portugal
42.1km (26.2 miles) ⓘEscádia Grande Mine, Alvares, Góis, Coimbra, Portugal
45.8km (28.5 miles) ⓘGóis Mining Field, Góis, Coimbra, Portugal
45.9km (28.5 miles) ⓘSenhora da Guia Mines, Liboreiro, Góis, Góis, Coimbra, Portugal
55.7km (34.6 miles) ⓘCeife Mine (Palão Mine), Penamacor, Penamacor, Castelo Branco, Portugal
68.9km (42.8 miles) ⓘFonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda, Portugal
68.9km (42.8 miles) ⓘBendada Mines, Bendada, Sabugal, Guarda, Portugal
References
Alves, Pedro (n.d.) Personal communication.
 
and/or  
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