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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Natromontebrasite from
Segura Mines (Segura mining field), União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal


Locality type:Mine
Classification
Species:'Natromontebrasite' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Natromontebrasite data
Locality Data:Click here to view Segura Mines (Segura mining field), União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:942405
Long-form Identifier:1:3:942405:0
GUID (UUID V4):0
References
Neiva, A. M. R., Silva, M. M. V. G., Antunes, I. M. H. R., Ramos, J. M. F. (2001) Phosphate minerals of some granitic rocks and associated quartz veins from Northern and Central Portugal. Journal of the Czech Geological Society, 46 (1-2) 35-44
 
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