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
Ribeira de Baje e Loureiro Mines, Sul, São Pedro do Sul, 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 Ribeira de Baje e Loureiro Mines, Sul, São Pedro do Sul, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:912976
Long-form Identifier:1:3:912976:4
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
3.5km (2.2 miles) ⓘGourim Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
5.6km (3.4 miles) ⓘGândara Mine, São Félix, São Pedro do Sul, Viseu, Portugal
5.8km (3.6 miles) ⓘPena Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
6.2km (3.9 miles) ⓘPoço das Fragas Mine, Bordonhos, São Pedro do Sul, Viseu, Portugal
6.8km (4.2 miles) ⓘRegoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
7.9km (4.9 miles) ⓘSerra de Sequeiros Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
8.6km (5.4 miles) ⓘAvô Mine, Reriz e Gafanhão, Castro Daire, Viseu, Portugal
9.8km (6.1 miles) ⓘRio de Frades Mines, Cabreiros, Cabreiros e Albergaria da Serra, Arouca, Aveiro, Portugal
9.8km (6.1 miles) ⓘJanarde e Covelo de Paivô Mining Field, Janarde, Arouca, Aveiro, Portugal
9.9km (6.2 miles) ⓘQuinta do Valente Mine, U.F São Pedro Sul， Várzea e Baiões, São Pedro do Sul, Viseu, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1389WSn
 
and/or  
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