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
Quinta de Roriz Mine, Ervedosa do Douro, São João da Pesqueira, 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 Quinta de Roriz Mine, Ervedosa do Douro, São João da Pesqueira, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:912818
Long-form Identifier:1:3:912818:7
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
5.9km (3.6 miles) ⓘCastanheiro Mines, Castanheiro do Norte e Ribalonga, Carrazeda de Ansiães, Bragança, Portugal
5.9km (3.6 miles) ⓘRibalonga Mines, Castanheiro do Norte e Ribalonga, Carrazeda de Ansiães, Bragança, Portugal
6.9km (4.3 miles) ⓘFolgar Mine, São Mamede de Ribatua, Alijó, Vila Real, Portugal
6.9km (4.3 miles) ⓘBuraco Mine, São Mamede de Ribatua, Alijó, Vila Real, Portugal
7.9km (4.9 miles) ⓘSalgueirinha Mine, Alijó, Alijó, Vila Real, Portugal
12.0km (7.5 miles) ⓘCanes Mine, Sanfins do Douro, Alijó, Vila Real, Portugal
12.0km (7.5 miles) ⓘSão Pedro das Águias Mine, U.F Távora e Pereiro, Tabuaço, Viseu, Portugal
12.0km (7.5 miles) ⓘAmeal Mine, U.F Trevões e Espinhosa, São João da Pesqueira, Viseu, Portugal
12.1km (7.5 miles) ⓘPoça Mine, Parambos, Carrazeda de Ansiães, Bragança, Portugal
12.2km (7.6 miles) ⓘSanta Bárbara Mine, Sabrosa, Sabrosa, Vila Real, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 542Sn
 
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