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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Bertrandite from
Portugal 1 & 2 quarries, Malpartida, Malpartida e Vale de Coelha, Almeida, Guarda, Portugal


Locality type:Quarry
Classification
Species:Bertrandite
Formula:Be4(Si2O7)(OH)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Bertrandite data
Locality Data:Click here to view Portugal 1 & 2 quarries, Malpartida, Malpartida e Vale de Coelha, Almeida, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:1441677
Long-form Identifier:1:3:1441677:6
GUID (UUID V4):0
Nearest other occurrences of Bertrandite
47.1km (29.3 miles) ⓘEN 18 roadcut, Vela, Guarda, Guarda, Portugal
48.6km (30.2 miles) ⓘCovão quarry, Vela, Guarda, Guarda, Portugal
49.6km (30.8 miles) ⓘVela Nordeste quarry, Vela, Guarda, Guarda, Portugal
50.8km (31.5 miles) ⓘVela Sudoeste quarry, Vela, Guarda, Guarda, Portugal
51.9km (32.3 miles) ⓘBendada Mines, Bendada, Sabugal, Guarda, Portugal
52.5km (32.6 miles) ⓘAlvarrões Mine, Gonçalo, Guarda, Guarda, Portugal
56.7km (35.2 miles) ⓘRoto-Bote quarry, Vila Franca da Serra, Gouveia, Guarda, Portugal
57.7km (35.9 miles) ⓘRatoeira No. 1 quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
58.2km (36.2 miles) ⓘRatoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
59.3km (36.8 miles) ⓘCompanheiro No. 2 quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
References
Manuel Maia's mineral collection
 
and/or  
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