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
Alvarrões Mine, Gonçalo, Guarda, Guarda, Portugal


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Habit:single crystals to 150mm; druze of small younger generation crystals (1-2mm)
Colour:colorless, milky white
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Tourmaline6
- var Rubellite3
Lepidolite4
Muscovite4
Topaz2
Feldspar Group1
Limonite1
Fluorapatite1
Elbaite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Alvarrões Mine, Gonçalo, Guarda, Guarda, Portugal
Photo GalleryView Gallery (8 photos)
Data Identifiers
Mindat Occurrence Record ID:825470
Long-form Identifier:1:3:825470:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.7km (1.0 miles) Gonçalo Sul C 70 Mine, Gonçalo, Guarda, Guarda, Portugal
2.2km (1.4 miles) Vela Sudoeste quarry, Vela, Guarda, Guarda, Portugal
3.0km (1.9 miles) Castanho Mine, Gonçalo, Guarda, Guarda, Portugal
3.1km (1.9 miles) Cabris Mine, União de freguesias de Corujeira e Trinta, Guarda, Guarda, Portugal
3.3km (2.1 miles) Vela Nordeste quarry, Vela, Guarda, Guarda, Portugal
4.3km (2.7 miles) Seixo Branco Mine, Fernão Joanes, Guarda, Guarda, Portugal
4.6km (2.9 miles) Covão quarry, Vela, Guarda, Guarda, Portugal
4.7km (2.9 miles) Quinta do Quelhas Mine, Benespera, Guarda, Guarda, Portugal
4.7km (2.9 miles) Sitio dos Penedos de Isabel Miguel Mine, Belmonte e Colmeal da Torre, Belmonte, Castelo Branco, Portugal
4.8km (3.0 miles) Portomé pegmatite, Vela, Guarda, Guarda, Portugal
References
 
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