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
Sandiães, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal


08083910017367695678680.jpg
Quartz

Sandiães, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal
08083910017367695678680.jpg
Quartz

Sandiães, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal
08083910017367695678680.jpg
Quartz

Sandiães, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Sandiães, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:823937
Long-form Identifier:1:3:823937:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.7km (0.4 miles) ⓘCorvaceira quarry, Corvaceira, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
1.7km (1.0 miles) ⓘCova da Raposa Mine, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
2.5km (1.6 miles) ⓘPinhal do Souto Mine, Tragos, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
3.0km (1.9 miles) ⓘReal quarry, Real, Penalva do Castelo, Viseu, Portugal
3.1km (1.9 miles) ⓘVila Seca Mine, Vila Seca, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
3.3km (2.1 miles) ⓘBom Sucesso No. 4 quarry, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
3.5km (2.2 miles) ⓘRoad cut, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
4.3km (2.7 miles) ⓘFreixiosa Mine, Freixiosa, Mangualde, Viseu, Portugal
4.8km (3.0 miles) ⓘSeixinho Mine - Cunha Alta, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
5.4km (3.4 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
References
Nunes, Rui (n.d.) Personal communication.
 
and/or  
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