A new method of synthesis of boltwoodite and of formation of sodium boltwoodite, uranophane, sklodowskite and kasolite from boltwoodite

Canadian Mineralogist

Volumn 35, Issue 3, 1997, Pages 735-741

  Vochten, Renaud ^a   Blaton, Norbert ^b   Peeters, Oswald ^b   Van Springel, Karel ^a   Van Haverbeke, Laurent ^a  

^a UNIVERSITY OF ANTWERP   (Belgium)

^b UNIVERSITY OF LEUVEN   (Belgium)

Author keywords

Ir and luminescence spectra; Powder method; Solubility; Synthesis; X ray diffraction

Indexed keywords

BOLTWOODITE; KASOLITE; MINERAL SYNTHESIS; SKLODOWSKITE; URANOPHANE;

EID: 0031450851     PISSN: 00084476     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (29)

1. 2O par une formule générale. Bull. Soc. fr. Minéral. Cristallogr. 85, 242-244.
2. BROWN, I.D. & ALTERMATT, D. (1985): Bond-valence parameters obtained from a systematic analysis of the inorganic crystal structure database. Acta Crystallogr. B41, 244-247.
3. CEJKA, J. & URBANEC, Z. (1990): Secondary uranium minerals; the mineralogy, geochemistry and crystal chemistry of the secondary uranium VI minerals. Rozpravy Ceskoslovenské Akademie Ved. Rada Matematickyck a Prirodnick Ved. Rocnik 100, pSesit 1.
4. CHERNIKOV, A.A., SHASKIN, D.P. & GRAVILOVA, I.N. (1975): Sodium boltwoodite. Dokl. Akad. Nauk SSSR 221, 144-146 (in Russ.).
5. 2O. Acta Crystallogr. C48, 1-4.
6. DENT GLASSER, L.S.D. & LACHOWSKI, E.E. (1980): Silicate species in solution. 1. Experimental observations. J. Chem. Soc. Dalton, 393-402.
7. DJOGIC, R., SIPOS, L. & BRANICA, M. (1986): Characterization of uranium (VI) in seawater. Limnol. Oceanogr. 31, 1122-1131.
8. FARMER, V.C., ed. (1974): The Infrared Spectra of Minerals. The Mineralogical Society, London, U.K.
9. FRONDEL, C. & ITO, J. (1956): Boltwoodite, a new uranium silicate. Science 124, 931.
10. 2O. Acta Crystallogr. C44, 421-424.
11. HONEA, R.M. (1961): New data on boltwoodite, an alkali uranyl silicate. Am. Mineral. 46, 12-25.
12. LYON, R.J.P. (1962): Evaluation of infrared spectrophotometry for compositional analysis of lunar and planetary soils. Stanford Research Institute, Menlo Park, California, Final Report to NASA under contract NASA 49(04).
13. NGUYEN, S.N., SILVA, R.J., WEED, H.C. & ANDREW, J.E., JR. (1992): Standard Gibbs free energies of formation at the temperature 303.15 K of four uranyl silicates: soddyite, uranophane, sodium boltwoodite, and sodium weeksite. J. Chem. Thermodynamics 24, 359-376.
14. PLESKO, E.P., SCHEETZ, B.E. & WHITE, W.B. (1992): Infrared vibrational characterization and synthesis of a family of hydrous alkali uranyl silicates and hydrous uranyl silicate minerals. Am. Mineral. 77, 431-437.
15. PLYUSNINA, I.I. (1977): Infrared Spectra of Minerals. Izdat Moskovskogo Universiteta, Moscow, Russia (in Russ.).
16. PU CONGJIAN (1990): Boltwoodite discovered for the first time in China. Acta Mineralogica Sinica 10, 151-160.
17. 2O. Cryst. Struct. Commun. 6, 617-621.
18. 2O. Cryst. Struct. Commun. 6, 611-615.
19. RYSKIN, Y.I. (1974): The vibrations of protons in minerals: hydroxyl, water and ammonium. In The Infrared Spectra of Minerals (V.C. Farmer, ed.). Mineral. Soc., Monogr. 4, 137-181.
20. SINGER, E. & MATUCHA, M. (1962): Erfahrungen mit der Bestimmung von Uran in Erzen und Gesteinen mit Arsenazo III. Z. Anal. Chem. 191, 248-253.
21. 2O. Am. Mineral. 42, 594-618.
22. SOBRY, R. & RINNE, M. (1973): A least-squares method for the identification of resonant groups from NMR powder spectra. Identification of oxonium and hydroxyl ion in hydrated uranates. J. Nucl. Res. 12, 152-167.
23. STOHL, F.V. & SMITH, D.K. (1981): The crystal chemistry of the uranyl silicate minerals. Am. Mineral. 66, 610-625.
24. STRUNZ, H. & TENNYSON, C. (1983): Boltwoodit aus S.W. Afrika. Der Aufschluss 34, 497-501.
25. VAN HAVERBEKE, L. & VOCHTEN, R. (1992): A computer program for the calculation and visualisation of the contribution of uranyl-hydroxo-complexes. Proc. 29th Int. Geol. Congress (Kyoto) 3, 669, II-22-2.
26. 2O. Am. Mineral. 71, 1489-1493.
27. WERNER, P.-E. (1969): Refinement of unit cell. Arkiv Kemi 31, 513-516.
28. _, ERIKSSON, L. & WESTDAHL, M. (1985): TREOR, a semi-exhaustive trial-and-error powder indexing program for all symmetries. J. Appl. Crystallogr. 18, 367-370.
29. WHITE, W.B. (1971): Infrared characterization of water and hydroxyl ion in the basic magnesium carbonate minerals. Am. Mineral. 56, 46-53.