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
Alminhas Mine, U.F Mós， Santo Amaro e Vila Nova Foz Côa, Vila Nova de Foz Côa, Guarda, 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 Alminhas Mine, U.F Mós， Santo Amaro e Vila Nova Foz Côa, Vila Nova de Foz Côa, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:917013
Long-form Identifier:1:3:917013:1
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
3.2km (2.0 miles) ⓘFreixo de Numão Mining Field, U.F Mura e Freixo de Numão, Vila Nova de Foz Côa, Guarda, Portugal
4.6km (2.9 miles) ⓘPonte do Vale Mines, U.F Mós， Santo Amaro e Vila Nova Foz Côa, Vila Nova de Foz Côa, Guarda, Portugal
6.8km (4.2 miles) ⓘFarinhata Mine, Lousa, Torre de Moncorvo, Bragança, Portugal
10.4km (6.4 miles) ⓘAsno Morto Mine, Vilarinho da Castanheira, Carrazeda de Ansiães, Bragança, Portugal
10.6km (6.6 miles) ⓘParaíso Mine, Vilarinho da Castanheira, Carrazeda de Ansiães, Bragança, Portugal
14.4km (9.0 miles) ⓘCumieira Mine, Valtorno e Mourão, Vila Flor, Bragança, Portugal
15.3km (9.5 miles) ⓘAlmendra Mining Field, Almendra, Vila Nova de Foz Côa, Guarda, Portugal
16.7km (10.4 miles) ⓘLamega Mine, Santa Comba, Vila Nova de Foz Côa, Guarda, Portugal
18.0km (11.2 miles) ⓘJudeu Mine, Póvoa de Penela, Penedono, Viseu, Portugal
18.6km (11.5 miles) ⓘAmedo Mines, Amedo e Zedes, Carrazeda de Ansiães, Bragança, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 557SnW
 
and/or  
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