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


02782900017367460495185.jpg
Quartz

Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
02782900017367460495185.jpg
Quartz

Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
09080080017272007773966.jpg
Quartz

Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal
Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz 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:647393
Long-form Identifier:1:3:647393:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.1km (0.1 miles) ⓘRochel, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
0.1km (0.1 miles) ⓘCabeço do Seixo, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
1.1km (0.7 miles) ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
1.6km (1.0 miles) ⓘCunha Baixa Mine, Cunha Baixa, Mangualde, Viseu, Portugal
3.9km (2.4 miles) ⓘUnnamed pegmatite, São Cosmado, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
4.4km (2.7 miles) ⓘRegada, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
5.1km (3.2 miles) ⓘSeixinho Mine, Santiago de Cassurrães e Póvoa de Cervães, Mangualde, Viseu, Portugal
5.4km (3.4 miles) ⓘSeixinho Mine - Cunha Alta, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
6.0km (3.7 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
6.0km (3.7 miles) ⓘFreixiosa Mine, Freixiosa, Mangualde, Viseu, Portugal
References
various photographs
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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