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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Adularia from
Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal


Locality type:Pegmatite Field
Classification
Species:K Feldspar var: Adularia
Formula:KAlSi3O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Adularia data
Locality Data:Click here to view Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:1234430
Long-form Identifier:1:3:1234430:5
GUID (UUID V4):0
Nearest other occurrences of Adularia
81.1km (50.4 miles) ⓘVinheiros Mine, Souto Maior, Sabrosa, Vila Real, Portugal
81.5km (50.6 miles) ⓘCodeceira Mine, Vale das Gatas Mines (São Lourenço de Riba Pinhão and Souto Maior), Sabrosa, Vila Real, Portugal
89.7km (55.7 miles) ⓘRibeira do Mosteiro Mines (Riba de Alva Mines), Poiares, Freixo de Espada à Cinta, Bragança, Portugal
96.9km (60.2 miles) ⓘÁguila area (Fé mine), Saelices el Chico, Salamanca, Castile and Leon, Spain
References
Marzoni Fecia di Cossato, F., Orlandi, A. (1989) Rittmannite, a new mineral species of the whiteite group from the Mangualde granitic pegmatite, Portugal. The Canadian Mineralogist: 27(3): 447-449. https://rruff.info/doclib/cm/vol27/CM27_447.pdf
 
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