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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Feldspar Group from
Cabeço de Argemela Mine, Barco e Coutada, Covilhã, Castelo Branco, Portugal


Locality type:Mine
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Cabeço de Argemela Mine, Barco e Coutada, Covilhã, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:830010
Long-form Identifier:1:3:830010:2
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
16.3km (10.1 miles) ⓘVale do Ferro Mine, Fatela, Fundão, Castelo Branco, Portugal
28.6km (17.7 miles) ⓘSão Miguel de Acha Mines, São Miguel de Acha, Idanha-a-Nova, Castelo Branco, Portugal
35.2km (21.9 miles) ⓘCastanho Mine, Gonçalo, Guarda, Guarda, Portugal
37.0km (23.0 miles) ⓘGonçalo Sul C 70 Mine, Gonçalo, Guarda, Guarda, Portugal
37.7km (23.4 miles) ⓘUnnamed pegmatite quarry, Maçainhas, Belmonte, Castelo Branco, Portugal
38.3km (23.8 miles) ⓘQuinta do Velho Mine, Maçainhas, Belmonte, Castelo Branco, Portugal
38.4km (23.9 miles) ⓘCorga Mine, Seixo da Beira, Oliveira do Hospital, Coimbra, Portugal
38.6km (24.0 miles) ⓘUrgueiras Mine, Ervedal e Vila Franca da Beira, Oliveira do Hospital, Coimbra, Portugal
38.9km (24.1 miles) ⓘNossa Senhora - Portela - Corga and Fiais do Ervedal Mines, Ervedal e Vila Franca da Beira, Oliveira do Hospital, Coimbra, Portugal
39.2km (24.4 miles) ⓘFonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda, Portugal
References
LNEG - Siorminp database information
 
and/or  
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