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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Cassiterite from
Vale da Fonte Mine, U.F S.Miguel de Outeiro e Sabogosa, Tondela, Viseu, Portugal


Locality type:Mine
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Vale da Fonte Mine, U.F S.Miguel de Outeiro e Sabogosa, Tondela, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:929892
Long-form Identifier:1:3:929892:7
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
2.5km (1.6 miles) ⓘBandeira do Pisco MIne, U.F Vilar de Besteiros Monteiro de Fráguas, Tondela, Viseu, Portugal
3.7km (2.3 miles) ⓘA Seara do Soito Mine, U.F Boa Aldeia， Farminhão e Torredeita, Viseu, Viseu, Portugal
3.9km (2.4 miles) ⓘSobrosa Mine, Santiago de Besteiros, Tondela, Viseu, Portugal
6.2km (3.9 miles) ⓘCantarinhos Mine, U.F Boa Aldeia， Farminhão e Torredeita, Viseu, Viseu, Portugal
9.5km (5.9 miles) ⓘVermilhas No. 1 Mine, U.F Cambra e Carvalhal de Vermilhas, Vouzela, Viseu, Portugal
10.4km (6.4 miles) ⓘMolelinhos Mine, Molelos, Tondela, Viseu, Portugal
10.7km (6.6 miles) ⓘBejanca e Bodiosa Mining Field, U.F Couto de Cima e Couto de Baixo, Viseu, Viseu, Portugal
11.1km (6.9 miles) ⓘSenhora do Crasto Mine, São Cipriano e Vil do Souto, Viseu, Viseu, Portugal
11.3km (7.0 miles) ⓘFonte da Senhora Mine, São Cipriano e Vil do Souto, Viseu, Viseu, Portugal
11.6km (7.2 miles) ⓘBejanca Mine (Carvalhal do Estanho), Queirã, Vouzela, Viseu, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 2012WSn
 
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