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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Sericite from
Argimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal


Locality type:Mine
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Comments:Albite alteration.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Argimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:304932
Long-form Identifier:1:3:304932:7
GUID (UUID V4):0
Nearest other occurrences of Sericite
38.2km (23.7 miles) ⓘAlvarrões Mine, Gonçalo, Guarda, Guarda, Portugal
93.2km (57.9 miles) ⓘFerronha Mines, U.F Penedono e Granja, Penedono, Viseu, Portugal
95.1km (59.1 miles) ⓘBarquilla Sn-Ge-Cd-Cu-Fe Deposit, Villar de la Yegua, Salamanca, Castile and Leon, Spain
96.5km (60.0 miles) ⓘSanto António Mine, U.F. Penedono e Granja, Penedono, Viseu, Portugal
96.5km (60.0 miles) ⓘVieiros Mine, Penela da Beira, Penedono, Viseu, Portugal
99.5km (61.8 miles) ⓘÁguila area (Fé mine), Saelices el Chico, Salamanca, Castile and Leon, Spain
References
Charoy, Bernard, Chaussidon, Marc, Noronha, Fernando (1995) Lithium zonation in white micas from the Argemela microgranite (central Portugal): an in-situ ion-, electron-microprobe and spectroscopic investigation. European Journal of Mineralogy, 7 (2) 335-352 doi:10.1127/ejm/7/2/0335
 
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