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A Raman spectroscopic study of the ‘cave’ mineral ardealite Ca2(HPO4)(SO4)·4H2O

✍ Scribed by Ray L. Frost; Sara J. Palmer; Dermot A. Henry; Ross Pogson

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
384 KB
Volume
42
Category
Article
ISSN
0377-0486

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Raman spectroscopic study of the uranyl
Raman spectroscopic study of the uranyl mineral natrouranospinite (Na2,Ca)[(UO2)(AsO4)]2· 5H2O
✍ Jiří Čejka; Jiří Sejkora; Ray L. Frost; Eloise C. Keeffe 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 194 KB 👁 1 views

## Abstract Raman spectra of natrouranospinite complemented with infrared spectra were studied and related to the structure of the mineral. Observed bands were assigned to the stretching and bending vibrations of (UO~2~)^2+^ and (AsO~4~)^3−^ units and of water molecules. UO bond lengths in uranyl