Locality type: | Mine |
Classification |
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Species: | Opal |
Formula: | SiO2 · nH2O |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Opal data |
Locality Data: | Click here to view Nopal No. 1 Mine, Sierra Peña Blanca, Peña Blanca District, Aldama Municipality, Chihuahua, Mexico |
Data Identifiers |
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Mindat Occurrence Record ID: | 487261 |
Long-form Identifier: | 1:3:487261:0 |
GUID (UUID V4): | 4724d9ed-7860-4283-8cd9-31126876dae8 |
Nearest other occurrences of Opal |
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3.7km (2.3 miles) | ⓘMargaritas No. 1 Mine, Sierra Peña Blanca, Peña Blanca District, Aldama Municipality, Chihuahua, Mexico |
49.9km (31.0 miles) | ⓘEstacion Trancas, Aldama Municipality, Chihuahua, Mexico |
52.2km (32.4 miles) | ⓘLas Choyas, Aldama Municipality, Chihuahua, Mexico |
References |
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Othmane, G., Allard, T., Menguy, N., Morin, G., Esteve, I., Fayek, M., Calas, G. (2013) Evidence for nanocrystals of vorlanite, a rare uranate mineral, in the Nopal I low-temperature uranium deposit (Sierra Pena Blanca, Mexico) American Mineralogist, 98 (2) 518-521 doi:10.2138/am.2013.4295 |