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
Nave de Haver Mining Field, Nave de Haver, Almeida, Guarda, Portugal


Locality type:Mining Field
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Nave de Haver Mining Field, Nave de Haver, Almeida, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:914696
Long-form Identifier:1:3:914696:9
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
2.0km (1.3 miles) ⓘNave de Haver (open pit), Nave de Haver, Almeida, Guarda, Portugal
6.3km (3.9 miles) ⓘFonte Medeiros Mine, Badamalos (Vilar Maior e Aldeia da Ribeira), Sabugal, Guarda, Portugal
8.6km (5.3 miles) ⓘMoita da Lomba Mine, Aldeia da Ponte, Sabugal, Guarda, Portugal
9.8km (6.1 miles) ⓘNave do Bispo Mine, Freineda, Almeida, Guarda, Portugal
11.7km (7.3 miles) ⓘAtalaia Mines, Vilar Formoso, Almeida, Guarda, Portugal
14.6km (9.1 miles) ⓘQuinta de Cima Mine, Seixo do Côa e Valongo do Côa, Sabugal, Guarda, Portugal
21.9km (13.6 miles) ⓘLa Canalita Sn-rich pegmatitic dykes, Peñaparda, Salamanca, Castile and Leon, Spain
22.8km (14.2 miles) ⓘCastillejo de Dos Casas, Aldea del Obispo, Salamanca, Castile and Leon, Spain
23.1km (14.3 miles) ⓘCabeço da Longueira Mine, Fóios, Sabugal, Guarda, Portugal
23.4km (14.5 miles) ⓘBarquilla Sn-Ge-Cd-Cu-Fe Deposit, Villar de la Yegua, Salamanca, Castile and Leon, Spain
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 795SnTi
 
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