American Mineralogist, 1999, V 84, N 4, April.

ARTICLES

Philippe Courtial and Donald Bruce Dingwell
Densities of melts in the CaO-MgO-Al2O3-SiO2 system 
465

Paolo Papale
Modeling of the solubility of a two-component H2O + CO2 fluid in silicate
liquids 
477

Dorothee J.M. Burkhard, Gene C. Ulmer, Günther Redhammer, and George H.
Myer
Dynamic electrochemical assessment of redox reactions in natural micas
between 613 and 1373 K at 105 Pa 
493

Dominique de Ligny and Alexandra Navrotsky
Energetics of kaolin polymorphs 
506

Dawn E. Janney and Hans-Rudolf Wenk
Peristerite exsolution in metamorphic plagioclase from the Lepontine Alps:
An analytical and transmission electron microscope study 
517

Hengzhong Zhang and Jillian F. Banfield
A new kinetic model for the nanocrystalline anatase-to-rutile
transformation revealing rate dependence on number of particles 
528

Edward S. Grew, Günther J. Redhammer, Georg Amthauer, Mark A. Cooper, Frank
C. Hawthorne, and Karl Schmetzer
Iron in kornerupine: A 57Fe Mössbauer spectroscopic study and comparison
with single-crystal structure refinement 
536

Brigitte Wopenka, John J. Freeman, and Edward Grew
Raman spectroscopic identification of B-free and B-rich kornerupine
(prismatine) 
550

Richard J. Harrison, Martin T. Dove, Kevin S. Knight, and Andrew Putnis
In situ neutron diffraction study of non-convergent cation ordering in the
(Fe3O4)1-x(MgAl2O4)x spinel solid solution 
555

Ru Y. Zhang, Jin F. Shu, Ho K. Mao, and Juhn G. Liou
Magnetite lamellae in olivine and clinohumite from Dabie UHP ultramafic
rocks, Central China 
564

Matthew J. Kohn
Why most "dry" rocks should cool "wet" 
570

Jeffrey H. Tepper and Scott M. Kuehner
Complex zoning in apatite from the Idaho batholith: A record of magma
mixing and intracrystalline trace element diffusion 
581

J. Najorka, M. Gottschalk, G. Franz, and W. Heinrich
Ca-Sr distribution between amphibole, clinopyroxene, and chloride-bearing
solutions 
596

D. Robinson and A. Santana de Zamora
The smectite to chlorite transition in the Chipilapa geothermal system, El
Salvador 
607

Susan H. Sutheimer, Patricia A. Maurice, and Qunhui Zhou
Dissolution of well and poorly crystallized kaolinites: Al speciation and
effects of surface characteristics 620

Giuseppe G. Biino, Norman Mannella, Alexander Kay, Bongjin Mun, and Charles
S. Fadley
Surface chemical characterization and surface diffraction effects of real
margarite (001): An angle-resolved XPS investigation 
629

H. Wayne Nesbitt and M. Reinke
Properties of As and S at NiAs, Nis, and Fe1-xS surfaces, and reactivity of
niccolite in air and water 
639

Fanrong Chen, Rodney C. Ewing, and Sue B. Clark
The Gibbs free energies and enthalpies of formation of uranium (VI) phases:
An empirical method of prediction 
650

Michael Schindler and Frank C. Hawthorne
Schubnelite, [Fe3+(V5+O4(H2O)], a novel heteropolyhedral framework mineral
665

Herta Effenberger, Werner H. Paar, Dan Topa, Franz J. Culetto, and Gerald
Giester
Toward the crystal structure of nagyagite, [Pb(Pb,Sb)S2] [(Au,Te)] 
669
Table 6 is available here


LETTERS

Jennifer M. Jackson, Stanislav V. Sinogeikin, and Jay D. Bass
Elasticity of MgSiO3 orthoenstatite 
677

Hexiong Yang, Jürgen Konzett, Charles T. Prewitt, and Yingwei Fei
Single-crystal structure refinement of M4k-substituted
potassiuym-richterite, K(KCa)Mg5Si8O22(OH)2 
681



NEW MINERAL NAMES 685

BOOK REVIEWS 689

SPECIAL NOTICE:

IMA report on mineral nomenclature 691

ERRATA 692