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Opal from
Herdade dos Pendões Mine, São Luís, Odemira, Beja, Portugal


08273300017367573865546.jpg
Opal-AN, etc.

Herdade dos Pendões Mine, São Luís, Odemira, Beja, Portugal
08273300017367573865546.jpg
Opal-AN, etc.

Herdade dos Pendões Mine, São Luís, Odemira, Beja, Portugal
07620130017272058204545.jpg
Opal-AN, etc.

Herdade dos Pendões Mine, São Luís, Odemira, Beja, Portugal
Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Confirmed
Confirmation Methods:Polarised-light microscopy
XRD
SEM-EDS
Raman Spectroscopy
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Herdade dos Pendões Mine, São Luís, Odemira, Beja, Portugal
Data Identifiers
Mindat Occurrence Record ID:1213842
Long-form Identifier:1:3:1213842:1
GUID (UUID V4):0
Nearest other occurrences of Opal
71.1km (44.2 miles) ⓘBalança Mine, Alcaria Ruiva, Mértola, Beja, Portugal
74.7km (46.4 miles) ⓘCarvalhal Mine, Melides, Grândola, Setúbal, Portugal
80.0km (49.7 miles) ⓘDaroeira Mine, Martim Longo, Alcoutim, Faro, Portugal
References
Alves, P. and Kampf, A.R. (2017) A mina de ferro e manganês da Herdade dos Pendões, Odemira, sudoeste de Portugal. Acopios, 8: 17-62. (in Portuguese).
 
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