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
Ribeiro do Salgueiro Mine, Três Povos, Fundão, Castelo Branco, 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 Ribeiro do Salgueiro Mine, Três Povos, Fundão, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:906106
Long-form Identifier:1:3:906106:4
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
4.7km (2.9 miles) ⓘQuinta do Espírito Santo Mine, Casteleiro, Sabugal, Guarda, Portugal
7.5km (4.7 miles) ⓘVale da Nora ou Coelheira Mine, Inguias, Belmonte, Castelo Branco, Portugal
7.7km (4.8 miles) ⓘCaberna e Quinta da Caverna de Baixo Mine, Capinha, Fundão, Castelo Branco, Portugal
8.8km (5.5 miles) ⓘLei Velha Mine, Inguias, Belmonte, Castelo Branco, Portugal
9.2km (5.7 miles) ⓘEspinhal - Chão da Nogueira - Sítio do Cabeço Mines, Inguias, Belmonte, Castelo Branco, Portugal
9.4km (5.8 miles) ⓘCabeço das Cabras Mine, Três Povos, Fundão, Castelo Branco, Portugal
9.6km (6.0 miles) ⓘSerra da Pena Mine, Sortelha, Sabugal, Guarda, Portugal
9.7km (6.0 miles) ⓘCharro e Leitão Mine, Belmonte e Colmeal da Torre, Belmonte, Castelo Branco, Portugal
11.5km (7.2 miles) ⓘPero Viseu Mining Field - Meimôa, Pero Viseu, Fundão, Castelo Branco, Portugal
12.1km (7.5 miles) ⓘOlas Mine, Inguias, Belmonte, Castelo Branco, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1959Sn
 
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