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
Fonte Medeiros Mine, Badamalos (Vilar Maior e Aldeia da Ribeira), 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 Fonte Medeiros Mine, Badamalos (Vilar Maior e Aldeia da Ribeira), Sabugal, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:916414
Long-form Identifier:1:3:916414:7
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
4.8km (3.0 miles) ⓘNave de Haver (open pit), Nave de Haver, Almeida, Guarda, Portugal
5.2km (3.2 miles) ⓘMoita da Lomba Mine, Aldeia da Ponte, Sabugal, Guarda, Portugal
6.3km (3.9 miles) ⓘNave de Haver Mining Field, Nave de Haver, Almeida, Guarda, Portugal
8.3km (5.2 miles) ⓘQuinta de Cima Mine, Seixo do Côa e Valongo do Côa, Sabugal, Guarda, Portugal
13.2km (8.2 miles) ⓘNave do Bispo Mine, Freineda, Almeida, Guarda, Portugal
15.5km (9.6 miles) ⓘAtalaia Mines, Vilar Formoso, Almeida, Guarda, Portugal
19.8km (12.3 miles) ⓘCabeço da Longueira Mine, Fóios, Sabugal, Guarda, Portugal
19.9km (12.4 miles) ⓘLameira do Bezerrinho Mine, Baraçal, Sabugal, Guarda, Portugal
19.9km (12.4 miles) ⓘSitio das Laigeiras Mine, Baraçal, Sabugal, Guarda, Portugal
20.4km (12.7 miles) ⓘVale Mine, Pega, Guarda, Guarda, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1326SnTi
 
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