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
Souto Maior Mine, Mesão Frio (Santo André), Mesão Frio, Vila Real, 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 Souto Maior Mine, Mesão Frio (Santo André), Mesão Frio, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:910675
Long-form Identifier:1:3:910675:8
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
1.8km (1.1 miles) ⓘGestaçô Mines, Gestaçô, Baião, Porto, Portugal
8.9km (5.5 miles) ⓘTeixo Mines, Teixeira, Teixeira e Teixeiró, Baião, Porto, Portugal
13.3km (8.3 miles) ⓘRamalhoso Mines, Ansiāes, Amarante, Porto, Portugal
15.1km (9.4 miles) ⓘFonte da Figueira No. 1 Mine (Pedrado Mine), Aboadela, Aboadela， Sanche e Várzea, Amarante, Porto, Portugal
20.3km (12.6 miles) ⓘVieiros Mining Field, Canadelo, Olo e Canadelo, Amarante, Porto, Portugal
20.9km (13.0 miles) ⓘVieiros Mines, Rebordelo, Amarante, Porto, Portugal
22.8km (14.1 miles) ⓘLinhares Mining Field, Ermelo e Pardelhas, Mondim de Basto, Vila Real, Portugal
23.0km (14.3 miles) ⓘArnal Mine, Vila Marim, Vila Real, Vila Real, Portugal
24.3km (15.1 miles) ⓘEsteriz Mine, Vila Garcia, Vila Garcia， Aboim e Chapa, Amarante, Porto, Portugal
25.2km (15.6 miles) ⓘPombeiro Mine, Telões, Amarante, Porto, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 520Sn
 
and/or  
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