Preface to the Foord Issue 693Wallace D. Kleck and Eugene E. Foord The chemistry, mineralogy, and petrology of the George Ashley Block pegmatite body 695
Karen L. Webber, William B. Simmons, Alexander U. Falster, and Eugene E. Foord Cooling rates and crystallization dynamics of shallow level pegmatite-aplite dikes, San Diego County, California 708
Daniel E. Kile and and D.D. Eberl Crystal growth mechanisms in miarolitic cavities in the Lake George ring complex and vicinity Colorado 718
Don R. Baker and Carmela Freda Ising models of undercooled binary system crystallization: Comparison with experimental and pegmatite textures 725
Joseph M. Evensen, David London, and Richard F. Wendlandt Solubility and stability of beryl in granitic melts 733
John R. Smerekanicz and Francis Ö. Dudás Reconnaissance fluid inclusion study of the Morefield pegmatite, Amelia County, Virginia 746
Petr Cerny´, Ron Chapman, William B. Simmons, and Leonard E. Chackowsky Niobian rutile from the McGuire granitic pegmatite, Park County, Colorado: Solid solution, exsolution, and oxidation 754
Mark A. Cooper, Frank C. Hawthorne, and Edward S. Grew The crystal chemistry of sogdianite, a milarite-group mineral 764
Eugene E. Foord, Joseph T. O'Connor, John M. Hughes, Stephen J. Sutley, Alexander U. Falster, Arthur E. Soregaroli, Frederick E. Lichte, and Daniel R. Kile Simmonsite, Na2LiAlF6, a new mineral from the Zapot amazonite-topaz-zinnwaldite pegmatite, Hawthorne, Nevada, U.S.A. 769
Miguel Angel Galliski, Petr Cerny´, María Florencia Márquez-Zavalía, and Ron Chapman Ferrotitanowodginite, Fe2+TiTa2O8, a new mineral of the wodginite group from the San Elías pegmatite, San Luis, Argentina 773
Frank C. Hawthorne, David K. Teertstra, and
Petr Cerny´ Crystal-structure refinement of a rubidian cesian phlogopite 778F. Pezzotta, V. Diella, and A. Guastoni Chemical and paragenetic data on gadolinite-group minerals from Baveno and Cuasso al Monte, southern Alps, Italy 782
William B. Simmons and Karen L. Webber Memorial of Eugene Edward Foord, 19461998 790
ARTICLES
Barbara L. Dutrow, C.T. Foster Jr., and Darrell J. Henry Tourmaline-rich pseudomorphs in sillimanite zone metapelites: Demarcation of an infiltration front 794John W. Shervais and James J. McGee Kreep cumulates in the western lunar highlands: Ion and electron microprobe study of alkali-suite anorthosites and norites from Apollo 12 and 14 806
AMMIAY 84(5-6)693-996 ISSN 0003-004X
B.L. Jolliff, C. Floss, I.S. McCallum, and J.M. Schwartz Geochemistry, petrology, and cooling history of 14161,7373: A plutonic lunar sample with textural evidence of granitic-fraction separation by silicate-liquid immiscibility 821
Wim van Westrenen, Jon Blundy, and Bernard Wood Crystal-chemical controls on trace element partitioning between garnet and anhydrous silicate melt 838
Laurent Thiéblot, Christophe Téqui, and Pascal Richet High-temperature heat capacity of grossular (Ca3Al2Si3O12), enstatite (MgSiO3), and titanite (CaTiSiO5) 848
Guillaume Fiquet and Bruno Reynard High-pressure equation of state of magnesite: New data and a reappraisal 856
Jianzhong Zhang and Richard J. Reeder Comparative compressibilities of calcite-structure carbonates: Deviations from empirical relations 861
R. Lee Penn and Jillian F. Banfield Formation of rutile nuclei at anatase {112} twin interfaces and the phase transformation mechanism in nanocrystalline titania 871
J.A. Tossell Theoretical studies on the formation of mercury complexes in solution and the dissolution and reactions of cinnabar 877
John Rakovan, Udo Becker, and Michael F. Hochella Jr. Aspects of goethite surface microtopography, structure, chemistry, and reactivity 884
Alessandro F. Gualtieri and Paolo Venturelli In situ study of the goethite-hematite phase transformation by real time synchrotron powder diffraction 895
Alessandro Pavese, Gilberto Artioli, and Steve Hull In situ powder neutron diffraction of cation partitioning vs. pressure in Mg0.94Al2.04O4 synthetic spinel 905
Roberta Oberti, Luisa Ottolini, Fernando Camara, and Giancarlo Della Ventura Crystal structure of non-metamict Th-rich hellandite-(Ce) from Latium (Italy) and crystal chemistry of the hellandite-group minerals 913
Erich S. Bloodaxe, John M. Hughes, M. Darby Dyar, Edward S. Grew, and Charles V. Guidotti Linking structure and chemistry in the Schorl-Dravite series 922
Hexiong Yang and Charles T. Prewitt On the crystal structure of pseudowollastonite (CaSiO3) 929
Gabriele Giuli, Paola Bonazzi, and Silvio Menchetti Al-Fe disorder in synthetic epidotes: A single-crystal X-ray diffraction study 933
Sung Keun Lee and Jonathan F. Stebbins The degree of aluminum avoidance in aluminosilicate glasses 937
Laurence A.J. Garvie and Peter R. Buseck Bonding in silicates: Investigation of the Si L2,3 edge by parallel electron energy-loss spectroscopy 946
C.J. Rossouw and P.R. Miller Location of interstitial Cr in mullite by incoherent channeling patterns from characteristic X-ray emission 965
David A. McKeown, Michael I. Bell, and Edgar S. Etz Raman spectra and vibrational analysis of the trioctahedral mica phlogopite 970
Diederik Visser, Timo G. Nijland, Dick J. Lieftink, and Cees Maijer The occurrence of preiswerkite in a tourmaline-biotite-scapolite rock from Blengsvatn, Norway 977
LETTERS
Jonathan F. Stebbins, Sung Keun Lee, and Jane V. Oglesby Al-O-Al oxygen sites in crystalline aluminates and aluminosilicate glasses: High-resolution oxygen-17 NMR results 983
R.M. Hazen, H. Yang, L.W. Finger, and B.A. Fursenko Crystal chemistry of high-pressure BaSi4O9 in the trigonal (P3) barium tetragermanate structure 987
NEW MINERAL NAMES 990
SOFTWARE REVIEW 995