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
Vale do Ferro Mine, Fatela, Fundão, 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 Vale do Ferro Mine, Fatela, Fundão, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:908098
Long-form Identifier:1:3:908098:0
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
16.3km (10.1 miles) ⓘCabeço de Argemela Mine, Barco e Coutada, Covilhã, Castelo Branco, Portugal
17.6km (11.0 miles) ⓘSão Miguel de Acha Mines, São Miguel de Acha, Idanha-a-Nova, Castelo Branco, Portugal
28.1km (17.5 miles) ⓘUnnamed pegmatite quarry, Maçainhas, Belmonte, Castelo Branco, Portugal
28.4km (17.7 miles) ⓘFonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda, Portugal
28.5km (17.7 miles) ⓘCastanho Mine, Gonçalo, Guarda, Guarda, Portugal
29.1km (18.1 miles) ⓘQuinta do Velho Mine, Maçainhas, Belmonte, Castelo Branco, Portugal
29.6km (18.4 miles) ⓘGonçalo Sul C 70 Mine, Gonçalo, Guarda, Guarda, Portugal
32.0km (19.9 miles) ⓘVela Sudoeste quarry, Vela, Guarda, Guarda, Portugal
32.9km (20.4 miles) ⓘVela Nordeste quarry, Vela, Guarda, Guarda, Portugal
33.6km (20.9 miles) ⓘCemetery quarry, Benespera, Guarda, Guarda, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1619SnW
 
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