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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Greisen from
Fregeneda–Almendra pegmatite field, Castile and Leon, Spain


Locality type:Pegmatite Field
Classification
Type:Greisen
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Greisen data
Locality Data:Click here to view Fregeneda–Almendra pegmatite field, Castile and Leon, Spain
Data Identifiers
Mindat Occurrence Record ID:1535433
Long-form Identifier:1:3:1535433:0
GUID (UUID V4):0
References
Errandonea-Martin, Jon; Garate-Olave, Idoia; Roda-Robles, Encarnación; Cardoso-Fernandes, Joana; Lima, Alexandre; Ribeiro, Maria dos Anjos; Teodoro, Ana Cláudia (2022) Metasomatic effect of Li-bearing aplite-pegmatites on psammitic and pelitic metasediments: Geochemical constraints on critical raw material exploration at the Fregeneda–Almendra Pegmatite Field (Spain and Portugal). Ore Geology Reviews, 150. p.105155. doi:10.1016/j.oregeorev.2022.105155
 
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