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
Fonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal


06822360017689349848580.jpg
Opal-AN, etc.

Fonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
06822360017689349848580.jpg
Opal-AN, etc.

Fonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
05373030017689349855181.jpg
Opal-AN, etc.

Fonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
Locality type:Quarry
Classification
Species:Opal var: Opal-AN
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Bertrandite1
Data
Mineral Data:Click here to view Opal-AN data
Locality Data:Click here to view Fonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:1592949
Long-form Identifier:1:3:1592949:9
GUID (UUID V4):0
Nearest other occurrences of Opal-AN
3.3km (2.0 miles) ⓘRomãs quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
3.8km (2.4 miles) ⓘGralheira Mine, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
6.1km (3.8 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
10.0km (6.2 miles) ⓘPenedo da Cabeça quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
10.1km (6.3 miles) ⓘRatoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
15.0km (9.3 miles) ⓘBom Sucesso No. 4 quarry, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
17.0km (10.5 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
61.2km (38.0 miles) ⓘPortugal 1 & 2 quarries, Malpartida, Malpartida e Vale de Coelha, Almeida, Guarda, Portugal
70.3km (43.7 miles) ⓘPalhal Mine, Branca, Albergaria-a-Velha, Aveiro, Portugal
References
Rui Nunes' visit, September 07, 2023Identified by Rui Nunes: Visual Identification
 
and/or  
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