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
Vale do Ferro Mine, Fatela, 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 Vale do Ferro Mine, Fatela, Fundão, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:908100
Long-form Identifier:1:3:908100:0
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
4.5km (2.8 miles) ⓘPero Viseu Mining Field - Meimôa, Pero Viseu, Fundão, Castelo Branco, Portugal
5.8km (3.6 miles) ⓘCaberna e Quinta da Caverna de Baixo Mine, Capinha, Fundão, Castelo Branco, Portugal
11.2km (7.0 miles) ⓘEspadanal Mine, União de Freguesias de Pedrogão de S Pedro e Bemposta, Penamacor, Castelo Branco, Portugal
11.2km (7.0 miles) ⓘMonte Queimado Mine, União de Freguesias de Pedrogão de S Pedro e Bemposta, Penamacor, Castelo Branco, Portugal
11.2km (7.0 miles) ⓘCabeço do Seixo Mine, União de Freguesias de Pedrogão de S Pedro e Bemposta, Penamacor, Castelo Branco, Portugal
11.2km (7.0 miles) ⓘMata da Rainha Mine, União de Freguesias de Pedrogão de S Pedro e Bemposta, Penamacor, Castelo Branco, Portugal
11.2km (7.0 miles) ⓘCanchal da Terrinha Mine, Penamacor, Penamacor, Castelo Branco, Portugal
12.7km (7.9 miles) ⓘRibeiro do Salgueiro Mine, Três Povos, Fundão, Castelo Branco, Portugal
15.8km (9.8 miles) ⓘMonte das Areias e Vale da Torre Mine, Póvoa de Atalaia e Atalaia do Campo, Fundão, Castelo Branco, Portugal
16.6km (10.3 miles) ⓘArgimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1619SnW
 
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