Deposit Items for Volume 89, No. 2-3, February - March, 2004


Yang Liu, Harald Behrens and Youxue Zhang
The speciation of dissolved H2O in dacitic melt   277

Item #AM-04-061

IR Spectra in Excel spreadsheet
Lui_p277_04_Spectra.xls Excel Spreadsheet (2.1 MB)


Joël Brugger, Sergey V. Krivovichev, Peter Berlepsch, Nicolas Meisser, Stefan Ansermet, and Thomas Armbruster
Spriggite, Pb3[(UO2)6O8(OH)2](H2O)3, a new mineral with b-U3O8-type sheets: Description and crystal structure   339

Item #AM-04-055

Table 8. Calculated and observed structure factors for spriggite.
Brugger_p339_04_Table8.doc Word document (708 K)


Michael E. Fleet and Xiaoyang Liu
A new rare earth disilicate (REE2Si2O7; REE = Dy, Tm, Lu; type-L): Evidence for nonquenchable 10 GPa polymorph with silicon in fivefold trigonal bipyramidal coordination?   396

Item #AM-04-056

Table 4. Observed and calculated structure factors
Fleet_p396_04_Table4.wpd Word Perfect document (424 K)


Günther J. Redhammer, Gerold Tippelt, Georg Roth, and Georg Amthauer
Structural variations in the brownmillerite series Ca2(Fe2-xAlx)O5: Single-crystal X-ray diffraction at 25 °C and high-temperature X-ray powder diffraction (25 °C ≤ T ≤ 1000 °C)   405

Item #AM-04-057

Table 3: Transition temperatures (in degrees Celsius) for the Pnma to I2mb phase boundary
Table 4: Linear thermal expansion coefficients α (*10-6/K) for samples of the Ca2Fe2-xAlxO5 solid solution series
Table 7: Anisotropic atomic displacement parameters Uij of selected samples of the Ca2Fe2-xAlxO5 solid solution series.
Table 8: Selected bond distances (Å) and angles (°) and polyhedral distortion parameters for selected samples of the Ca2Fe2-xAlxO5 solid solution series.
Redhammer_p405_04_Tables.pdf PDF file (96 K)

Item #AM-04-058

Figures:
Fig. 5. Temperature-dependent evolution of the lattice parameters of Ca2Fe2O5 (x = 0.00) as determined from powder X-ray diffraction data.
Fig. 6. Temperature-dependent evolution of the lattice parameters of Ca2FeAlO5 (x = 1.00) as determined from powder X-ray diffraction data.
Fig. 10. Average (a) and individual O-O atom distances
Fig. 11. O1-M-O2 bond angles (a) and quadratic octahedral angle variance (OAV, Robinson et al. 1971) for the Ca2Fe2-xAlxO5 solid solution series at 25 ¡C.
Fig. 13. Individual (aÐb) and average T-O bond lengths for samples of the Ca2Fe2-xAlxO5 solid solution series at 25 ¡C.
Redhammer_p405_04_Figures.pdf PDF file (332 K)

Item #AM-04-059

Table A1: Lattice parameters for the samples, synthesized by ceramic sintering.
Table A2: Acronyms for the single crystal samples of the Ca2(Fe2-xAlx)O5 series, studied here, together with their composition, the growth method and the space group
Table A3: Lattice parameters for the all the single crystal samples
Redhammer_p405_04_Appendix.doc Word document (140 K)

XtalDraw Files
Redhammer_p405_04_XtalDraw.txt txt file (24 K)

Cif Files (not available)

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