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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K Feldspar from
Argimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal


Locality type:Mine
Classification
Species:'K Feldspar' (not an IMA approved species)
Comments:Rare.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view K Feldspar data
Locality Data:Click here to view Argimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:304926
Long-form Identifier:1:3:304926:6
GUID (UUID V4):0
Nearest other occurrences of K Feldspar
40.5km (25.2 miles) ⓘQuinta do Quelhas Mine, Benespera, Guarda, Guarda, Portugal
49.7km (30.9 miles) ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
53.5km (33.2 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
64.9km (40.3 miles) ⓘSegura Mines (Segura mining field), União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal
65.9km (41.0 miles) ⓘCerro Queimado, União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal
70.8km (44.0 miles) ⓘLagares Mining Field, Vila Nova de Paiva, Viseu, Portugal
70.8km (44.0 miles) ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
74.1km (46.0 miles) ⓘVigia Mine, U.F. Aguiar da Beira e Coruche, Aguiar da Beira, Guarda, Portugal
91.9km (57.1 miles) ⓘRegoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
92.9km (57.7 miles) ⓘCastillejo de Dos Casas, Aldea del Obispo, Salamanca, Castile and Leon, Spain
References
Charoy, Bernard, Chaussidon, Marc, Noronha, Fernando (1995) Lithium zonation in white micas from the Argemela microgranite (central Portugal): an in-situ ion-, electron-microprobe and spectroscopic investigation. European Journal of Mineralogy, 7 (2) 335-352 doi:10.1127/ejm/7/2/0335
 
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