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
Pedra da Moura Mine, Touvedo (São Lourenço e Salvador), Ponte da Barca, Viana do Castelo, Portugal


09820880017639260161428.jpg
Quartz

Pedra da Moura Mine, Touvedo, Ponte da Barca, Viana do Castelo, Portugal
09820880017639260161428.jpg
Quartz

Pedra da Moura Mine, Touvedo, Ponte da Barca, Viana do Castelo, Portugal
08318920017639260175210.jpg
Quartz

Pedra da Moura Mine, Touvedo, Ponte da Barca, Viana do Castelo, Portugal
Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Comments:Good cristals, Clear and milky, to 50cm.
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals:
Associates:Autunite
Schorl
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Pedra da Moura Mine, Touvedo (São Lourenço e Salvador), Ponte da Barca, Viana do Castelo, Portugal
Data Identifiers
Mindat Occurrence Record ID:275893
Long-form Identifier:1:3:275893:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.2km (0.8 miles) ⓘMonte das Corugeiras Mine, Touvedo (São Lourenço e Salvador), Ponte da Barca, Viana do Castelo, Portugal
2.1km (1.3 miles) ⓘBarral, Vila Chã (São João Baptista e Santiago), Ponte da Barca, Viana do Castelo, Portugal
2.9km (1.8 miles) ⓘSeixo Branco No. 2 Mine, Vila Chã (São João Baptista e Santiago), Ponte da Barca, Viana do Castelo, Portugal
3.6km (2.2 miles) ⓘMonte do Castelo da Pena Mine, Vila Chã (São João Baptista e Santiago), Ponte da Barca, Viana do Castelo, Portugal
3.6km (2.2 miles) ⓘMuía e Eiros Mine, Ponte da Barca， Vila Nova de Muía e Paço Vedro de Magalhães, Ponte da Barca, Viana do Castelo, Portugal
3.6km (2.2 miles) ⓘMata da Galinheira Mine, Vila Chã (São João Baptista e Santiago), Ponte da Barca, Viana do Castelo, Portugal
4.7km (2.9 miles) ⓘCôto da Cruz Mine, Entre Ambos-os-Rios， Ermida e Germil, Ponte da Barca, Viana do Castelo, Portugal
6.3km (3.9 miles) ⓘFroufe Mine, Entre Ambos-os-Rios， Ermida e Germil, Ponte da Barca, Viana do Castelo, Portugal
6.3km (3.9 miles) ⓘSobredo Mine, Entre Ambos-os-Rios， Ermida e Germil, Ponte da Barca, Viana do Castelo, Portugal
6.6km (4.1 miles) ⓘUnnamed mine, Vergaço, Cibões e Brufe, Terras de Bouro, Braga, Portugal
References
Leal Gomes, C., Azevedo, A., Lopes Nunes, J., & Dias, P. A. (2009). Phosphate fractionation in pegmatites of Pedra da Moura II claim–Ponte da Barca–Portugal. Estudos Geológicos, 19(2), 172.
 
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