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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Pegmatite from
Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal


Locality type:Pegmatite Field
Classification
Type:Pegmatite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pegmatite data
Locality Data:Click here to view Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:1234429
Long-form Identifier:1:3:1234429:9
GUID (UUID V4):0
Localities for Pegmatite in this Region
Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
Nearest other occurrences of Pegmatite
1.1km (0.7 miles) ⓘChão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
22.2km (13.8 miles) ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
23.2km (14.4 miles) ⓘVila Longa, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
40.8km (25.3 miles) ⓘGonçalo Sul C 70 Mine, Gonçalo, Guarda, Guarda, Portugal
59.1km (36.7 miles) ⓘSão Pedro das Águias Mine, U.F Távora e Pereiro, Tabuaço, Viseu, Portugal
77.7km (48.3 miles) ⓘBajoca pegmatite, Algodres， Vale de Afonsinho e Vilar de Amargo, Figueira de Castelo Rodrigo, Guarda, Portugal
79.9km (49.7 miles) ⓘAlijó spodumene pegmatite, São Mamede de Ribatua, Alijó, Vila Real, Portugal
84.7km (52.6 miles) ⓘCastillejo de Dos Casas, Aldea del Obispo, Salamanca, Castile and Leon, Spain
86.5km (53.7 miles) ⓘTumbo de la Caldera pegmatite, La Fregeneda, Salamanca, Castile and Leon, Spain
88.7km (55.1 miles) ⓘFeli deposit, La Fregeneda, Salamanca, Castile and Leon, Spain
References
Marzoni Fecia di Cossato, F., Orlandi, A. (1989) Rittmannite, a new mineral species of the whiteite group from the Mangualde granitic pegmatite, Portugal. The Canadian Mineralogist: 27(3): 447-449. https://rruff.info/doclib/cm/vol27/CM27_447.pdf
 
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