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
Pedrouços Mine, Fornos de Maceira Dão, Mangualde, Viseu, 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 Pedrouços Mine, Fornos de Maceira Dão, Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:895848
Long-form Identifier:1:3:895848:8
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
2.5km (1.5 miles) ⓘUnnamed pegmatite, São Cosmado, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
2.9km (1.8 miles) ⓘRegada, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
6.3km (3.9 miles) ⓘChão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
6.4km (4.0 miles) ⓘRochel, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
6.4km (4.0 miles) ⓘCabeço do Seixo, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
9.5km (5.9 miles) ⓘSeixinho Mine - Cunha Alta, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
10.4km (6.5 miles) ⓘReal quarry, Real, Penalva do Castelo, Viseu, Portugal
10.5km (6.5 miles) ⓘSeixinho Mine, Santiago de Cassurrães e Póvoa de Cervães, Mangualde, Viseu, Portugal
13.2km (8.2 miles) ⓘCorvaceira quarry, Corvaceira, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
16.0km (9.9 miles) ⓘParanhos Mining Field, Paranhos, Seia, Guarda, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID 1273U
 
and/or  
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