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
Monte Raso 2 "Covelinhas-Vale de Figueiras", Poiares e Canelas, Peso da Régua, Vila Real, Portugal


Locality type:Mountain
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Monte Raso 2 "Covelinhas-Vale de Figueiras", Poiares e Canelas, Peso da Régua, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:760019
Long-form Identifier:1:3:760019:7
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
7.8km (4.8 miles) ⓘSanta Leocádia (Barcos) Mine, U.F Barcos e Santa Leocádia, Tabuaço, Viseu, Portugal
15.2km (9.4 miles) ⓘSão Cibrão Mine, Constantim e Vale de Nogueiras, Vila Real, Vila Real, Portugal
15.2km (9.4 miles) ⓘSão Cibrão Mine, Andrães, Vila Real, Vila Real, Portugal
15.4km (9.6 miles) ⓘPenedo Redondo Mine, Andrães, Vila Real, Vila Real, Portugal
15.4km (9.6 miles) ⓘPenedo Redondo and Serra da Anta Mine, Constantim e Vale de Nogueiras, Vila Real, Vila Real, Portugal
15.9km (9.9 miles) ⓘSenhora da Azinheira Mine, São Martinho de Antas e Paradela de Guiães, Sabrosa, Vila Real, Portugal
16.3km (10.1 miles) ⓘRibeira de Arcã Mine, São Martinho de Antas e Paradela de Guiães, Sabrosa, Vila Real, Portugal
16.5km (10.3 miles) ⓘSouto Maior Mine, Mesão Frio (Santo André), Mesão Frio, Vila Real, Portugal
16.8km (10.5 miles) ⓘCriveiro - Sabrosa and Lagoeiro Mines, Sabrosa, Sabrosa, Vila Real, Portugal
16.9km (10.5 miles) ⓘSão Pedro das Águias Mine, U.F Távora e Pereiro, Tabuaço, Viseu, Portugal
References
de Sousa, M. B.
Ramos, J. M. Farinha (1987): Mineralogy and geology of the tin-mineralized veins of the Figueiral Valley ( Covelinhas , Peso de Regua, northeastern Portugal). Memorias e Noticias, Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Universidade de Coimbra 103, 13-32 (in Portuguese).
 
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