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
Balsas Mine, São Pedro d'Arcos, Ponte de Lima, 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 Balsas Mine, São Pedro d'Arcos, Ponte de Lima, Viana do Castelo, Portugal
Data Identifiers
Mindat Occurrence Record ID:913945
Long-form Identifier:1:3:913945:9
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
2.1km (1.3 miles) ⓘSerra de Santa Justa No. 2 Mine, São Pedro d'Arcos, Ponte de Lima, Viana do Castelo, Portugal
2.1km (1.3 miles) ⓘCruz da Lenta Mine, Nogueira， Meixedo e Vilar de Murteda, Viana do Castelo, Viana do Castelo, Portugal
2.4km (1.5 miles) ⓘCalvelo Mine, Nogueira， Meixedo e Vilar de Murteda, Viana do Castelo, Viana do Castelo, Portugal
3.0km (1.9 miles) ⓘCapela de Nossa Senhora da Rocha Mine, Nogueira， Meixedo e Vilar de Murteda, Viana do Castelo, 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
3.7km (2.3 miles) ⓘMeixedo Mine, Nogueira， Meixedo e Vilar de Murteda, Viana do Castelo, Viana do Castelo, Portugal
4.0km (2.5 miles) ⓘRasas e Cobalto Mines, Torre e Vila Mou, Viana do Castelo, Viana do Castelo, Portugal
4.5km (2.8 miles) ⓘSerra D'Arga, Ponte de Lima, Viana do Castelo, Portugal
6.2km (3.8 miles) ⓘAndorinheiras Mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 139Sn
 
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