| Reference Type | Journal (article/letter/editorial) |
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| Title | Geological and Crystallochemical Characterization of the Margaritasite–Carnotite Mineral from the Uranium Region of Peña Blanca, Chihuahua, Mexico |
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| Journal | Minerals |
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| Authors | Faudoa-Gómez, Fabián G. | Author |
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| Fuentes-Cobas, Luis E. | Author |
| Esparza-Ponce, Hilda E. | Author |
| Canche-Tello, Jesús G. | Author |
| Reyes-Cortés, Ignacio A. | Author |
| Fuentes-Montero, Maria E. | Author |
| Eichert, Diane M. | Author |
| Rodríguez-Guerra, Yair | Author |
| Montero-Cabrera, Maria-Elena | Author |
| Year | 2024 | Volume | < 14 > |
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| Issue | < 4 > |
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| URL | |
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| DOI | doi:10.3390/min14040431Search in ResearchGate |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 17308854 | Long-form Identifier | mindat:1:5:17308854:0 |
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| GUID | 57651451-220a-409a-8999-438e536fad61 |
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| Full Reference | Faudoa-Gómez, Fabián G., Fuentes-Cobas, Luis E., Esparza-Ponce, Hilda E., Canche-Tello, Jesús G., Reyes-Cortés, Ignacio A., Fuentes-Montero, Maria E., Eichert, Diane M., Rodríguez-Guerra, Yair, Montero-Cabrera, Maria-Elena (2024) Geological and Crystallochemical Characterization of the Margaritasite–Carnotite Mineral from the Uranium Region of Peña Blanca, Chihuahua, Mexico. Minerals, 14 (4) doi:10.3390/min14040431 |
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| Plain Text | Faudoa-Gómez, Fabián G., Fuentes-Cobas, Luis E., Esparza-Ponce, Hilda E., Canche-Tello, Jesús G., Reyes-Cortés, Ignacio A., Fuentes-Montero, Maria E., Eichert, Diane M., Rodríguez-Guerra, Yair, Montero-Cabrera, Maria-Elena (2024) Geological and Crystallochemical Characterization of the Margaritasite–Carnotite Mineral from the Uranium Region of Peña Blanca, Chihuahua, Mexico. Minerals, 14 (4) doi:10.3390/min14040431 |
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| In | Link this record to the correct parent record (if possible) |
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| Abstract/Notes | Margaritasite is a mineral compound discovered in the early 1980s in Chihuahua, Mexico. It is a natural cesium uranyl vanadate found only, so far, in the Margaritas mine of the Peña Blanca highlands. In this work, a thorough characterization of the aforementioned mineral is presented. The portfolio of the techniques employed includes high-resolution X-ray diffraction, scanning electron microscopy with energy dispersive X-ray spectroscopy, transmission electron microscopy in selected area electron diffraction (SAED) mode, and X-ray absorption spectroscopy (XAS). After extensive data analysis and modeling, new information on the mineral has been retrieved. Its phase composition is margaritasite–carnotite: a solid solution of cesium and potassium uranyl vanadate [(Cs,K)2(UO2)2(VO4)2·nH2O], and margaritasite, which is practically pure cesium uranyl vanadate [Cs2(UO2)2(VO4)2·nH2O]. The crystal structure of both components presents the space group P 1 21/c 1. Yet, each phase has similar, but appreciably different, lattice parameters. The mineral has a lamellar tabular and prismatic morphology. SAED patterns confirm the crystal structure of margaritasite. XAS spectra of Cs, V, and U confirm the elemental composition, oxidation states, and interatomic distances of this structure. These findings are consistent with the presence of cesium in this unique mineral from the paragenesis point of view. |
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