American Mineralogist, 2003, V 88, N 4, April.

481 
Electronic structure of Fe-bearing lazulites 
M. Grodzicki, G.J. Redhammer, G. Amthauer, V. Schunemann, 
A.X. Trautwein, B. Velickov, and P. Schmid-Beurmann  

489 
An FTIR study of tetrahedrally coordinated ferrous iron in 
the spinel-hercynite solid solution 
Henrik Skogby and Ulf Halenius 

493 
O atom sites in natural kaolinite and muscovite: 
17O MAS and 3QMAS NMR study 
Sung Keun Lee and Jonathan F. Stebbins 

501 
The basic copper arsenate minerals olivenite, cornubite, cornwallite,
and clinoclase: An infrared emission and Raman spectroscopic study 
Wayde N. Martens, Ray L. Frost, J. Theo Kloprogge, and Peter A. Williams 

509 
Occurrence of Zn/Al hydrotalcite in smelter-impacted soils from northern
France: Evidence from EXAFS spectroscopy and chemical extractions 
Farid Juillot, Guillaume Morin, Philippe Ildefonse, Thomas P. Trainor, 
Marc Benedetti, Laurence Galoisy, Georges Calas, and Gordon E. Brown Jr. 

527 
Stepwise dehydration of Sr-exchanged heulandite: A single-crystal X-ray study 
Nicola Dobelin and Thomas Armbruster 
 
534 
Spontaneous strain variations through the low temperature phase
transitions of deuterated lawsonite 
Michael A. Carpenter, Hinrich-Wilhelm Meyer, Peter Sondergeld, 
Stefan Marion, and Kevin S. Knight 

547 
Elastic strain enthalpies of exsolution: HF solution calorimetric 
experiments on alkali aluminosilicate and aluminogermanate feldspars 
Guy L. Hovis, Herbert Kroll, Udo Breit, and Richard A. Yund 

556 
Topology of the pyroxenes as a function of temperature, pressure, 
and composition as determined from the procrystal electron density 
Robert T. Downs 

567 
The effect of pressure upon hydrogen bonding in chlorite: A Raman 
spectroscopic study of clinochlore to 26.5 GPa 
Annette K. Kleppe, Andrew P. Jephcoat, and Mark D. Welch 

 574 The effect of transformation twins on the seismic-frequency 
 mechanical properties of polycrystalline Ca1-xSrxTiO3 perovskite 
 Richard J. Harrison, Simon A.T. Redfern, and John Street 

583
Hydrogen deficiency in Ti-rich biotite from anatectic metapelites
(El Joyazo, SE Spain): Crystal-chemical aspects and implications
for high-temperature petrogenesis
Bernardo Cesare, Giuseppe Cruciani, and Umberto Russo 

596 
Quantitative 3D measurement of ilmenite abundance in Alpe Arami
olivine by confocal microscopy: Confirmation of high-pressure origin 
Krassimir N. Bozhilov, Harry W. Green II, and Larissa F. Dobrzhinetskaya 

604 
Chromian dissakisite-(Ce) in a garnet lherzolite from the Chinese Su-Lu
UHP metamorphic terrane: Implications for Cr incorporation in epidote-group
minerals and recycling of REE into the Earth's mantle 
Jian-Jun Yang and Masaki Enami 

611 
Mass transfer and reaction paths in alteration zones around carbonate
veins in the Nishisonogi Metamorphic Rocks, southwest Japan 
Yasushi Mori, Tadao Nishiyama, and Takeru Yanagi 

624 
Low-pressure subsolidus and suprasolidus phase equilibria in the
MnNCKFMASH system: Constraints on conditions of regional
metamorphism in western Maine, northern Appalachians 
Tim E. Johnson, Michael Brown, and Gary S. Solar 
 
639 
Trace-element partitioning between apatite and carbonatite melt 
Stephan Klemme and Claude Dalpe 

647 
Biomimetic control of crystal assembly by growth in an organic
hydrogel network 
Olaf Grassmann, Reinhard B. Neder, Andrew Putnis,
and Peer Lobmann 

653
Model pyroxenes I: Ideal pyroxene topologies 
Richard M. Thompson and Robert T. Downs 
  
667 
Crystal chemistry of the 1M mica polytype: The octahedral sheet 
Maria Franca Brigatti, Stephen Guggenheim, and Marco Poppi 

676 
Contribution to the mineralogy of acid drainage of
Uranium minerals: Marecottite and the zippeite-group 
J. Brugger, Peter C. Burns, and N. Meisser 

686
Cejkaite, the triclinic polymorph of Na4(UO2)(CO3)3a new
mineral from Jachymov, Czech Republic 
Petr Ondrus, Roman Skala, Frantisek Veselovsky, 
Jiri Sejkora, and Cecilia Vitti 

694
Continuous Cauchy wavelet transform analyses of EXAFS spectra:
A qualitative approach 
Manuel Munoz, Pierre Argoul, and Francois Farges 

701
A filler-rod technique for controlling redox conditions in
cold-seal pressure vessels 
William Matthews, Robert L. Linnen, and Qiang Guo 

708 
Yttrium zoning in garnet: Coupling of major and accessory
phases during metamorphic reactions 
Joseph M. Pyle and Frank S. Spear 

709 
Measuring discrete feature dimensions in AFM images with image SXM 
Barry R. Bickmore, Eric Rufe, Steve Barrett, and Michael F. Hochella Jr. 

710 
BOOK REVIEWS 
Ophiolites And Oceanic Crust: New Insights From Field Studies
And The Ocean Drilling Program, by Y. Dilek, E. Moores, D. Elthon,
and A. Nicolas, Eds. GSA Special Paper 349, 2000, 552 p. 
John Shervais 

Stable Isotope Geochemistry, by John W. Valley and David R. Cole,
Eds., Reviews in Mineralogy & Geochemistry, (2001) vol. 43, 662 p
Mineralogical Society of America, Washington, D.C. 
Craig A. Johnson 

712
ERRATUM 
Pressure-induced phase transition in malayaite, 
CaSnOSiO4 by Stephanie Rath, Martin Kunz, and
Ronald Miletich (v.88, pages 293-300).