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
Quinta das Ferragens, Moimenta da Serra e Vinhó, 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 Quinta das Ferragens, Moimenta da Serra e Vinhó, Gouveia, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:915051
Long-form Identifier:1:3:915051:5
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
2.7km (1.7 miles) ⓘPontinha No. 4 quarry, Pinhanços, Seia, Guarda, Portugal
3.9km (2.4 miles) ⓘBoco Mine, Arcozelo, Gouveia, Guarda, Portugal
5.2km (3.2 miles) ⓘAljão Mine, Cativelos, Gouveia, Guarda, Portugal
6.0km (3.7 miles) ⓘMaré Mine, São Paio, Gouveia, Guarda, Portugal
6.5km (4.0 miles) ⓘTourais-Lages Mining Field, Tourais e Lajes, Seia, Guarda, Portugal
6.9km (4.3 miles) ⓘA Quinta Mine, Arcozelo, Gouveia, Guarda, Portugal
8.0km (5.0 miles) ⓘMarés Mine, São Paio, Gouveia, Guarda, Portugal
9.6km (6.0 miles) ⓘSalgueiro Mine, Melo e Nabais, Gouveia, Guarda, Portugal
10.0km (6.2 miles) ⓘCasão (no sitio da Pedra Alta) Mine, Melo e Nabais, Gouveia, Guarda, Portugal
10.6km (6.6 miles) ⓘSargaçal de Baixo Mine, Gouveia, Gouveia, Guarda, Portugal
References
LNEG
 
and/or  
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