Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Opal-AN from
Sitio do Cobre Mine, Vila Velha de Ródão, Vila Velha de Ródão, Castelo Branco, Portugal


08728290017368539443092.jpg
Opal-AN, etc.

Sitio do Cobre Mine, Vila Velha de Ródão, Vila Velha de Ródão, Castelo Branco, Portugal
08728290017368539443092.jpg
Opal-AN, etc.

Sitio do Cobre Mine, Vila Velha de Ródão, Vila Velha de Ródão, Castelo Branco, Portugal
08728290017368539443092.jpg
Opal-AN, etc.

Sitio do Cobre Mine, Vila Velha de Ródão, Vila Velha de Ródão, Castelo Branco, Portugal
Locality type:Mine
Classification
Species:Opal var: Opal-AN
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Olivenite1
Quartz1
Data
Mineral Data:Click here to view Opal-AN data
Locality Data:Click here to view Sitio do Cobre Mine, Vila Velha de Ródão, Vila Velha de Ródão, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:857816
Long-form Identifier:1:3:857816:7
GUID (UUID V4):0
Nearest other occurrences of Opal-AN
98.7km (61.3 miles) ⓘMostardeira Mine, Glória, Estremoz, Évora, Portugal
References
Martins da Pedra collection
 
and/or  
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