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
Alto da Cruz No. 1 Mine, Castro Daire, Castro Daire, Viseu, 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 Alto da Cruz No. 1 Mine, Castro Daire, Castro Daire, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:912477
Long-form Identifier:1:3:912477:6
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
0.8km (0.5 miles) ⓘAlto da Cruz No. 2 Mine, Castro Daire, Castro Daire, Viseu, Portugal
7.4km (4.6 miles) ⓘTeixelo Mine, Mões, Castro Daire, Viseu, Portugal
12.7km (7.9 miles) ⓘAvô Mine, Reriz e Gafanhão, Castro Daire, Viseu, Portugal
12.7km (7.9 miles) ⓘQuinta Velha Mine, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
13.0km (8.1 miles) ⓘPombeiro Mines, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
14.0km (8.7 miles) ⓘMontemuro Mine, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
14.2km (8.8 miles) ⓘPena Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
14.9km (9.2 miles) ⓘSerra de Sequeiros Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
15.2km (9.5 miles) ⓘAndorinha Mine, Lazarim, Lamego, Viseu, Portugal
15.2km (9.5 miles) ⓘMeijinhos MIne, Cepões， Meijinhos e Melcões, Lamego, Viseu, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1378Sn
 
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