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
Ramalhoso Mines, Ansiāes, Amarante, Porto, 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 Ramalhoso Mines, Ansiāes, Amarante, Porto, Portugal
Data Identifiers
Mindat Occurrence Record ID:881548
Long-form Identifier:1:3:881548:4
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
2.7km (1.7 miles) ⓘFonte da Figueira No. 1 Mine (Pedrado Mine), Aboadela, Aboadela， Sanche e Várzea, Amarante, Porto, Portugal
4.6km (2.9 miles) ⓘTeixo Mines, Teixeira, Teixeira e Teixeiró, Baião, Porto, Portugal
5.7km (3.5 miles) ⓘSerrinha da Cascalheira - Chã de Cruz and Costa do Vidoedo Mines, Fontes, Santa Marta de Penaguião, Vila Real, Portugal
7.9km (4.9 miles) ⓘVieiros Mining Field, Canadelo, Olo e Canadelo, Amarante, Porto, Portugal
8.3km (5.2 miles) ⓘMonte do Lameirão Mine, Torgueda, Vila Real, Vila Real, Portugal
8.5km (5.3 miles) ⓘVieiros Mines, Rebordelo, Amarante, Porto, Portugal
11.0km (6.9 miles) ⓘLinhares Mining Field, Ermelo e Pardelhas, Mondim de Basto, Vila Real, Portugal
11.6km (7.2 miles) ⓘGestaçô Mines, Gestaçô, Baião, Porto, Portugal
12.3km (7.6 miles) ⓘFontela Mine, Aboim, Vila Garcia， Aboim e Chapa, Amarante, Porto, Portugal
12.3km (7.6 miles) ⓘCosta da Revolta Mine, Aboim, Vila Garcia， Aboim e Chapa, Amarante, Porto, Portugal
References
LNEG/Siorminp database
 
and/or  
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