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
Boco Mine, Arcozelo, 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 Boco Mine, Arcozelo, Gouveia, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:915032
Long-form Identifier:1:3:915032:4
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
3.1km (1.9 miles) ⓘAljão Mine, Cativelos, Gouveia, Guarda, Portugal
3.1km (1.9 miles) ⓘA Quinta Mine, Arcozelo, Gouveia, Guarda, Portugal
3.1km (2.0 miles) ⓘMaré Mine, São Paio, Gouveia, Guarda, Portugal
3.9km (2.4 miles) ⓘQuinta das Ferragens, Moimenta da Serra e Vinhó, Gouveia, Guarda, Portugal
5.3km (3.3 miles) ⓘMarés Mine, São Paio, Gouveia, Guarda, Portugal
6.5km (4.0 miles) ⓘSalgueiro Mine, Melo e Nabais, Gouveia, Guarda, Portugal
6.6km (4.1 miles) ⓘPontinha No. 4 quarry, Pinhanços, Seia, Guarda, Portugal
7.5km (4.7 miles) ⓘCasão (no sitio da Pedra Alta) Mine, Melo e Nabais, Gouveia, Guarda, Portugal
9.3km (5.8 miles) ⓘTourais-Lages Mining Field, Tourais e Lajes, Seia, Guarda, Portugal
9.6km (6.0 miles) ⓘChão das Poldras Mine, Vila Franca da Serra, Gouveia, Guarda, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 2055Sn
 
and/or  
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