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
Sazes da Beira Mines, Sazes da Beira, Seia, 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 Sazes da Beira Mines, Sazes da Beira, Seia, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:223516
Long-form Identifier:1:3:223516:5
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
0.5km (0.3 miles) ⓘMalhão Mining Field, Sazes da Beira, Seia, Guarda, Portugal
4.0km (2.5 miles) ⓘPedras do Estanho Mine, Vila Cova-à-Coelheira, Seia, Guarda, Portugal
6.9km (4.3 miles) ⓘOlival da Meia Légua Mine, Carragozela e Várzea de Meruge, Seia, Guarda, Portugal
13.8km (8.6 miles) ⓘCorga da Poldrinha Mine, Seixo da Beira, Oliveira do Hospital, Coimbra, Portugal
14.3km (8.9 miles) ⓘCorga Mine, Seixo da Beira, Oliveira do Hospital, Coimbra, Portugal
14.5km (9.0 miles) ⓘTourais-Lages Mining Field, Tourais e Lajes, Seia, Guarda, Portugal
14.8km (9.2 miles) ⓘPontinha No. 4 quarry, Pinhanços, Seia, Guarda, Portugal
15.1km (9.4 miles) ⓘUrgueiras Mine, Ervedal e Vila Franca da Beira, Oliveira do Hospital, Coimbra, Portugal
15.7km (9.7 miles) ⓘParanhos Mining Field, Paranhos, Seia, Guarda, Portugal
16.2km (10.1 miles) ⓘNossa Senhora - Portela - Corga and Fiais do Ervedal Mines, Ervedal e Vila Franca da Beira, Oliveira do Hospital, Coimbra, Portugal
References
 
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