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
Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal


Locality type:Mine
Classification
Species:Bertrandite
Formula:Be4(Si2O7)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bertrandite data
Locality Data:Click here to view Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
Data Identifiers
Mindat Occurrence Record ID:530412
Long-form Identifier:1:3:530412:7
GUID (UUID V4):0
Nearest other occurrences of Bertrandite
34.9km (21.7 miles) ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
34.9km (21.7 miles) ⓘLagares Mining Field, Vila Nova de Paiva, Viseu, Portugal
42.9km (26.7 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
44.2km (27.4 miles) ⓘRomãs quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
45.0km (28.0 miles) ⓘFonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
45.1km (28.0 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
46.7km (29.0 miles) ⓘReal quarry, Real, Penalva do Castelo, Viseu, Portugal
46.9km (29.2 miles) ⓘCompanheiro No. 1 quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
47.1km (29.3 miles) ⓘRatoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
47.7km (29.6 miles) ⓘRatoeira No. 1 quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
References
Rui Nunes Abril 2008: paragénese do granito e dos filões de Sn-W das minas de Regoufe tal como foi definida na tese de doutoramento de Slujk (1963)
 
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