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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Quartz from
Bajoca pegmatite, Algodres， Vale de Afonsinho e Vilar de Amargo, Figueira de Castelo Rodrigo, Guarda, Portugal


Locality type:Pegmatite
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Bajoca pegmatite, Algodres， Vale de Afonsinho e Vilar de Amargo, Figueira de Castelo Rodrigo, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:1535472
Long-form Identifier:1:3:1535472:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.7km (3.0 miles) ⓘBajoca Mine, Almendra, Vila Nova de Foz Côa, Guarda, Portugal
6.7km (4.2 miles) ⓘQuinta Fonte Surra Mine, Escalhão, Figueira de Castelo Rodrigo, Guarda, Portugal
9.0km (5.6 miles) ⓘAlmendra Mining Field, Almendra, Vila Nova de Foz Côa, Guarda, Portugal
9.1km (5.6 miles) ⓘTumbo de la Caldera pegmatite, La Fregeneda, Salamanca, Castile and Leon, Spain
11.1km (6.9 miles) ⓘFeli deposit, La Fregeneda, Salamanca, Castile and Leon, Spain
11.1km (6.9 miles) ⓘLamega Mine, Santa Comba, Vila Nova de Foz Côa, Guarda, Portugal
12.1km (7.5 miles) ⓘRibeira do Mosteiro Mines (Riba de Alva Mines), Poiares, Freixo de Espada à Cinta, Bragança, Portugal
13.1km (8.2 miles) ⓘAlberto pit, La Fregeneda, Salamanca, Castile and Leon, Spain
15.1km (9.4 miles) ⓘHinojosa-Saucelle road, Hinojosa de Duero, Salamanca, Castile and Leon, Spain
15.2km (9.4 miles) ⓘBreijo Mines, Ervedosa, Pinhel, Guarda, Portugal
References
Errandonea-Martin, Jon; Garate-Olave, Idoia; Roda-Robles, Encarnación; Cardoso-Fernandes, Joana; Lima, Alexandre; Ribeiro, Maria dos Anjos; Teodoro, Ana Cláudia (2022) Metasomatic effect of Li-bearing aplite-pegmatites on psammitic and pelitic metasediments: Geochemical constraints on critical raw material exploration at the Fregeneda–Almendra Pegmatite Field (Spain and Portugal). Ore Geology Reviews, 150. p.105155. doi:10.1016/j.oregeorev.2022.105155
 
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