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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Schorl from
Vale das Gatas Mines (São Lourenço de Riba Pinhão and Souto Maior), Sabrosa, Vila Real, Portugal


Locality type:Mine
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Comments:In granite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Vale das Gatas Mines (São Lourenço de Riba Pinhão and Souto Maior), Sabrosa, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:314623
Long-form Identifier:1:3:314623:1
GUID (UUID V4):0
References
Garcia, Daniel (1987) Behaviour of Fe, Mn and Mg during the differentiation of granites and W-Sn bearing hydrothermal activity in the Vila Real area (Northern Portugal). Bulletin de Minéralogie, 110 (6). p.613-622. doi:10.3406/bulmi.1987.8004
 
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