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
Cabeço da Longueira Mine, Fóios, Sabugal, 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 Cabeço da Longueira Mine, Fóios, Sabugal, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:916540
Long-form Identifier:1:3:916540:3
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
3.2km (2.0 miles) ⓘRelva da Ponte Mine, Fóios, Sabugal, Guarda, Portugal
14.9km (9.3 miles) ⓘMoita da Lomba Mine, Aldeia da Ponte, Sabugal, Guarda, Portugal
19.5km (12.1 miles) ⓘLa Canalita Sn-rich pegmatitic dykes, Peñaparda, Salamanca, Castile and Leon, Spain
19.8km (12.3 miles) ⓘFonte Medeiros Mine, Badamalos (Vilar Maior e Aldeia da Ribeira), Sabugal, Guarda, Portugal
19.8km (12.3 miles) ⓘQuinta de Cima Mine, Seixo do Côa e Valongo do Côa, Sabugal, Guarda, Portugal
21.5km (13.3 miles) ⓘVillasrubias project, Villasrubias, Salamanca, Castile and Leon, Spain
21.6km (13.4 miles) ⓘSitio das Laigeiras Mine, Baraçal, Sabugal, Guarda, Portugal
21.6km (13.4 miles) ⓘLameira do Bezerrinho Mine, Baraçal, Sabugal, Guarda, Portugal
23.0km (14.3 miles) ⓘNave de Haver (open pit), Nave de Haver, Almeida, Guarda, Portugal
23.1km (14.3 miles) ⓘNave de Haver Mining Field, Nave de Haver, Almeida, Guarda, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1653Sn
 
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