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
Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal


Locality type:Mine
Classification
Type:Pegmatite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pegmatite data
Locality Data:Click here to view Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:1616237
Long-form Identifier:1:3:1616237:4
GUID (UUID V4):0
Nearest other occurrences of Pegmatite
1.1km (0.7 miles) ⓘ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
22.6km (14.0 miles) ⓘVila Longa, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
39.7km (24.7 miles) ⓘGonçalo Sul C 70 Mine, Gonçalo, Guarda, Guarda, Portugal
58.8km (36.5 miles) ⓘSão Pedro das Águias Mine, U.F Távora e Pereiro, Tabuaço, Viseu, Portugal
76.8km (47.7 miles) ⓘBajoca pegmatite, Algodres， Vale de Afonsinho e Vilar de Amargo, Figueira de Castelo Rodrigo, Guarda, Portugal
79.6km (49.5 miles) ⓘAlijó spodumene pegmatite, São Mamede de Ribatua, Alijó, Vila Real, Portugal
83.6km (52.0 miles) ⓘCastillejo de Dos Casas, Aldea del Obispo, Salamanca, Castile and Leon, Spain
85.6km (53.2 miles) ⓘTumbo de la Caldera pegmatite, La Fregeneda, Salamanca, Castile and Leon, Spain
87.8km (54.5 miles) ⓘFeli deposit, La Fregeneda, Salamanca, Castile and Leon, Spain
References
Grey, Ian E.; Rewitzer, Christian; Hochleitner, Rupert; Kampf, Anthony R.; Boer, Stephanie; Mumme, William G.; Wilson, Nicholas C. (2024) Macraeite, [(H2O)K]Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10  ⋅  4H2O, a new monoclinic paulkerrite-group mineral, from the Cubos–Mesquitela–Mangualde pegmatite, Portugal. European Journal of Mineralogy, 36 (2). 267-278 doi:10.5194/ejm-36-267-2024
 
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