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
Marés Mine, São Paio, Gouveia, Guarda, 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 Marés Mine, São Paio, Gouveia, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:915044
Long-form Identifier:1:3:915044:7
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
1.8km (1.1 miles) ⓘSalgueiro Mine, Melo e Nabais, Gouveia, Guarda, Portugal
2.2km (1.3 miles) ⓘMaré Mine, São Paio, Gouveia, Guarda, Portugal
2.2km (1.4 miles) ⓘCasão (no sitio da Pedra Alta) Mine, Melo e Nabais, Gouveia, Guarda, Portugal
5.0km (3.1 miles) ⓘA Quinta Mine, Arcozelo, Gouveia, Guarda, Portugal
5.3km (3.3 miles) ⓘBoco Mine, Arcozelo, Gouveia, Guarda, Portugal
6.1km (3.8 miles) ⓘChão das Poldras Mine, Vila Franca da Serra, Gouveia, Guarda, Portugal
7.9km (4.9 miles) ⓘAljão Mine, Cativelos, Gouveia, Guarda, Portugal
8.0km (5.0 miles) ⓘQuinta das Ferragens, Moimenta da Serra e Vinhó, Gouveia, Guarda, Portugal
8.9km (5.6 miles) ⓘAzibrais Mine, Figueiró da Serra e Freixo da Serra, Gouveia, Guarda, Portugal
8.9km (5.6 miles) ⓘFigueiró da Serra Mining Field, Figueiró da Serra e Freixo da Serra, Gouveia, Guarda, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 2059SnTi
 
and/or  
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