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
Volta de São Mamede Mine, Janeiro de Cima e Bogas de Baixo, 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 Volta de São Mamede Mine, Janeiro de Cima e Bogas de Baixo, Fundão, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:906050
Long-form Identifier:1:3:906050:0
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
12.5km (7.8 miles) ⓘVale da Ermida Mining Field, Unhais-o-Velho, Pampilhosa da Serra, Coimbra, Portugal
13.0km (8.1 miles) ⓘBarroca Grande Mine, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Portugal
20.2km (12.5 miles) ⓘRecheira Mine, Barco e Coutada, Covilhã, Castelo Branco, Portugal
20.6km (12.8 miles) ⓘFragas do Cavalo Mine, União de Freguesias de Oleiros e Amieira, Oleiros, Castelo Branco, Portugal
20.6km (12.8 miles) ⓘArgimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
24.6km (15.3 miles) ⓘVale de Pião Mine, Cadafaz e Colmeal, Góis, Coimbra, Portugal
27.0km (16.8 miles) ⓘEscádia Grande Mine, Alvares, Góis, Coimbra, Portugal
27.9km (17.3 miles) ⓘGóis Mining Field, Góis, Coimbra, Portugal
30.9km (19.2 miles) ⓘEspadana - Inchidro and Tapada da Vargem Mines, Lardosa, Castelo Branco, Castelo Branco, Portugal
31.7km (19.7 miles) ⓘMonte das Areias e Vale da Torre Mine, Póvoa de Atalaia e Atalaia do Campo, Fundão, Castelo Branco, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 2121SnTi
 
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