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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Opal-AN from
Palhal Mine, Branca, Albergaria-a-Velha, Aveiro, Portugal


Locality type:Mine
Classification
Species:Opal var: Opal-AN
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal-AN data
Locality Data:Click here to view Palhal Mine, Branca, Albergaria-a-Velha, Aveiro, Portugal
Data Identifiers
Mindat Occurrence Record ID:688959
Long-form Identifier:1:3:688959:3
GUID (UUID V4):0
Nearest other occurrences of Opal-AN
64.0km (39.8 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
68.5km (42.6 miles) ⓘRomãs quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
70.0km (43.5 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
70.3km (43.7 miles) ⓘFonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
72.5km (45.1 miles) ⓘBom Sucesso No. 4 quarry, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
73.4km (45.6 miles) ⓘGralheira Mine, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
74.9km (46.5 miles) ⓘPenedo da Cabeça quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
74.9km (46.6 miles) ⓘRatoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
References
Marques de Sá, Joaquin, Lelal Gomes, Carlos (2010) Les mines de cuivre et nickel de Palhal et Telhadela, Albergaria-a-Velha, Aveiro, portugal [The copper and nickel mines of Palhal and Telhadela, Albergaria-a-Velha, Aveiro, Portugal]. Le Règne Minéral, 16 (92) 36-47
 
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