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
Chaves meteorite, Vilarelho da Raia, Vilarelho da Raia, Chaves, Vila Real, Portugal


Locality type:Meteorite Fall Location
Classification
Species:Quartz
Formula:SiO2
Comments:Only as a minor accessory. When found, quartz is invariably associated with magnetite, glass, and partially devitrified pyroxene.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Chaves meteorite, Vilarelho da Raia, Vilarelho da Raia, Chaves, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:908581
Long-form Identifier:1:3:908581:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
12.0km (7.4 miles) ⓘAlto dos Areais Mine, Ervededo, Chaves, Vila Real, Portugal
12.5km (7.8 miles) ⓘLamago Mine, Vilar de Perdizes e Meixide, Montalegre, Vila Real, Portugal
16.1km (10.0 miles) ⓘTamboril Mine, Águas Frias, Chaves, Vila Real, Portugal
16.1km (10.0 miles) ⓘDependurada Mine, Santo Estêvão, Chaves, Vila Real, Portugal
20.1km (12.5 miles) ⓘSanto Estevão No. 2, Santo Estêvão, Chaves, Vila Real, Portugal
21.7km (13.5 miles) ⓘFontelas (Monforte No. 1) Mine, Planalto de Monforte, Chaves, Vila Real, Portugal
21.7km (13.5 miles) ⓘPoulas da Costa dos Lobos Mine, Planalto de Monforte, Chaves, Vila Real, Portugal
21.9km (13.6 miles) ⓘEstanheira Mine, Eiras， São Julião de Montenegro e Cela, Chaves, Vila Real, Portugal
22.4km (13.9 miles) ⓘCarvalhas e Monte das Fragas Mine, Travancas e Roriz, Chaves, Vila Real, Portugal
22.7km (14.1 miles) ⓘEiras Mines, Eiras， São Julião de Montenegro e Cela, Chaves, Vila Real, Portugal
References
Mason B., Jarosewich E. & Nelen J. A. (1979) The pyroxene-plagioclase achondrites. Smithson. Contrib. Earth Sci. 22: 27-45.
Monteiro, J. F. (1989) Preliminary Study of Chaves Howardite: Abstracts and Program for the 52nd Annual Meeting of the Meteoritical Society. LPI Contribution #712: p.165
 
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