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
Souto Maior Mine, Mesão Frio (Santo André), Mesão Frio, Vila Real, 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 Souto Maior Mine, Mesão Frio (Santo André), Mesão Frio, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:910671
Long-form Identifier:1:3:910671:0
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
1.8km (1.1 miles) ⓘGestaçô Mines, Gestaçô, Baião, Porto, Portugal
8.9km (5.5 miles) ⓘTeixo Mines, Teixeira, Teixeira e Teixeiró, Baião, Porto, Portugal
11.1km (6.9 miles) ⓘSerrinha da Cascalheira - Chã de Cruz and Costa do Vidoedo Mines, Fontes, Santa Marta de Penaguião, Vila Real, Portugal
13.3km (8.3 miles) ⓘRamalhoso Mines, Ansiāes, Amarante, Porto, Portugal
13.7km (8.5 miles) ⓘAndorinha Mine, Lazarim, Lamego, Viseu, Portugal
13.7km (8.5 miles) ⓘMeijinhos MIne, Cepões， Meijinhos e Melcões, Lamego, Viseu, Portugal
14.4km (8.9 miles) ⓘMonte do Lameirão Mine, Torgueda, Vila Real, Vila Real, Portugal
15.1km (9.4 miles) ⓘFonte da Figueira No. 1 Mine (Pedrado Mine), Aboadela, Aboadela， Sanche e Várzea, Amarante, Porto, Portugal
16.5km (10.3 miles) ⓘMonte Raso 2 "Covelinhas-Vale de Figueiras", Poiares e Canelas, Peso da Régua, Vila Real, Portugal
20.3km (12.6 miles) ⓘVieiros Mining Field, Canadelo, Olo e Canadelo, Amarante, Porto, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 520Sn
 
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