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
Afife Mine, Coriscada, Mêda, 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 Afife Mine, Coriscada, Mêda, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:915659
Long-form Identifier:1:3:915659:3
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
2.0km (1.2 miles) ⓘCanada da Sardinha Mine, Coriscada, Mêda, Guarda, Portugal
6.4km (4.0 miles) ⓘMassueime Mines, Cótimos, Trancoso, Guarda, Portugal
7.9km (4.9 miles) ⓘFonte da Madre Mine, U.F Vale Flor， Carvalhal e Pai Penela, Mêda, Guarda, Portugal
9.0km (5.6 miles) ⓘVale do Vinagre and Caiporotos Mines, Pala, Pinhel, Guarda, Portugal
14.3km (8.9 miles) ⓘLamega Mine, Santa Comba, Vila Nova de Foz Côa, Guarda, Portugal
19.1km (11.9 miles) ⓘAlmendra Mining Field, Almendra, Vila Nova de Foz Côa, Guarda, Portugal
20.1km (12.5 miles) ⓘNave do Barrocal Mine, Cinco Vilas e Reigada, Figueira de Castelo Rodrigo, Guarda, Portugal
20.5km (12.8 miles) ⓘRetorta Mine, Cinco Vilas e Reigada, Figueira de Castelo Rodrigo, Guarda, Portugal
20.9km (13.0 miles) ⓘVale da Ursa Mine, Cinco Vilas e Reigada, Figueira de Castelo Rodrigo, Guarda, Portugal
21.0km (13.0 miles) ⓘCornozelas Mine, U.F Gouveias e Pomares, Pinhel, Guarda, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1503WSn
 
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