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
Ribeiro do Salgueiro and Covas dos Mouros Mines, Arga de Cima, Caminha, Viana do Castelo, 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 Ribeiro do Salgueiro and Covas dos Mouros Mines, Arga de Cima, Caminha, Viana do Castelo, Portugal
Data Identifiers
Mindat Occurrence Record ID:913520
Long-form Identifier:1:3:913520:8
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
1.5km (0.9 miles) ⓘAndorinheiras Mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
1.5km (1.0 miles) ⓘEiradas Mine, Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
2.1km (1.3 miles) ⓘMonteiro Mine, Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
3.6km (2.2 miles) ⓘEstorãos Mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
3.6km (2.2 miles) ⓘUnnamed mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
3.8km (2.3 miles) ⓘSerra D'Arga, Ponte de Lima, Viana do Castelo, Portugal
4.5km (2.8 miles) ⓘMonte do Formigoso Mine, Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
4.5km (2.8 miles) ⓘCerdeirinha Mine, Arga de Baixo, Caminha, Viana do Castelo, Portugal
4.6km (2.9 miles) ⓘRio Âncora, Montaria, Viana do Castelo, Viana do Castelo, Portugal
4.9km (3.0 miles) ⓘSerra de Lousado Mine No. 3, Coura, Paredes de Coura, Viana do Castelo, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 109SnW
 
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