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
Curval Mine, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal


Locality type:Mine
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Curval Mine, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:1434016
Long-form Identifier:1:3:1434016:3
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
0.7km (0.4 miles) ⓘGralheira Mine, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
1.1km (0.7 miles) ⓘU.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
3.9km (2.4 miles) ⓘCompanheiro No. 1 quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
5.4km (3.4 miles) ⓘRomãs quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
7.8km (4.9 miles) ⓘPreguiça Mine, Ferreira de Aves, Sátão, Viseu, Portugal
8.1km (5.0 miles) ⓘOvais quarry, U.F. Aguiar da Beira e Coruche, Aguiar da Beira, Guarda, Portugal
9.7km (6.0 miles) ⓘVales Mine, Maceira, Fornos de Algodres, Guarda, Portugal
10.0km (6.2 miles) ⓘSão Domingos Mine, U.F. Souto de Aguiar da Beira e Valverde, Aguiar da Beira, Guarda, Portugal
10.0km (6.2 miles) ⓘAcorradoiro Mine, U.F. Souto de Aguiar da Beira e Valverde, Aguiar da Beira, Guarda, Portugal
10.5km (6.6 miles) ⓘLamas construction area, Lamas, Ferreira de Aves, Sátão, Viseu, Portugal
References
Klaus Ludwig visit in 2015 and Rui Nunes research in 2021
 
and/or  
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