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
Montemuro Mine, Parada de Ester e Ester, 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 Montemuro Mine, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:912558
Long-form Identifier:1:3:912558:2
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
1.2km (0.8 miles) ⓘQuinta Velha Mine, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
1.9km (1.2 miles) ⓘPombeiro Mines, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
3.2km (2.0 miles) ⓘMoimenta Mines, Cabril, Castro Daire, Viseu, Portugal
4.6km (2.9 miles) ⓘAvô Mine, Reriz e Gafanhão, Castro Daire, Viseu, Portugal
4.9km (3.1 miles) ⓘSerra de Sequeiros Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
6.2km (3.9 miles) ⓘBustelo Mine, Alvarenga, Arouca, Aveiro, Portugal
7.0km (4.4 miles) ⓘCôto do Sino Mine, Alvarenga, Arouca, Aveiro, Portugal
7.1km (4.4 miles) ⓘPena Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
9.6km (6.0 miles) ⓘJanarde e Covelo de Paivô Mining Field, Janarde, Arouca, Aveiro, Portugal
9.9km (6.2 miles) ⓘFraga da Venda e Penedo do Gato Mines, Nespereira, Cinfães, Viseu, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1177Sn
 
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