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
Avô Mine, Reriz e Gafanhão, 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 Avô Mine, Reriz e Gafanhão, Castro Daire, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:912483
Long-form Identifier:1:3:912483:7
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
2.2km (1.4 miles) ⓘSerra de Sequeiros Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
2.9km (1.8 miles) ⓘPena Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
4.3km (2.7 miles) ⓘQuinta Velha Mine, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
4.6km (2.9 miles) ⓘMontemuro Mine, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
5.8km (3.6 miles) ⓘPombeiro Mines, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
7.5km (4.7 miles) ⓘMoimenta Mines, Cabril, Castro Daire, Viseu, Portugal
8.3km (5.2 miles) ⓘRegoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
8.6km (5.3 miles) ⓘGourim Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
8.6km (5.4 miles) ⓘRibeira de Baje e Loureiro Mines, Sul, São Pedro do Sul, Viseu, Portugal
9.1km (5.6 miles) ⓘJanarde e Covelo de Paivô Mining Field, Janarde, Arouca, Aveiro, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1380Sn
 
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