American Mineralogist, 2002, V 87, N 4, April.

INTRODUCTION

373 
Introduction to the Michael J. Holdaway commemorative issue
Barbara L. Dutrow

HOLDAWAY PAPERS

375 
Titanium in biotite from metapelitic rocks: Temperature effects, crystal-
chemical controls, and petrologic applications
Darrell J. Henry and Charles V. Guidotti

383 
Local equilibrium in polymetamorphic gneiss and the titanium substitution
in biotite
D.J. Waters and N.R. Charnley

397 
The enthalpy of formation and internally consistent thermodynamic data of
Mg-staurolite
Klaus-D. Grevel, Alexandra Navrotsky, Thomas Fockenberg, and Juraj Majzlan

405 
Coexisting andalusite, kyanite, and sillimanite: Sequential formation of three 
Al2SiO5 polymorphs during progressive metamorphism near the triple point, 
Sivrihisar, Turkey, Donna L. Whitney

417 
Co-existing aluminum silicates in quartz veins: A quantitative approach for 
determining andalusite-sillimanite equilibrium in natural samples using oxygen 
isotopes
Aaron J. Cavosie, Zachary D. Sharp, and J. Selverstone

424 
Stability of corundum + quartz relative to kyanite and sillimanite at high 
temperature and pressure
Daniel E. Harlov and Ralf Milke

433 
Andalusite-sillimanite replacement (Mazarro'n, SE Spain): A microstructural
and TEM study
Bernardo Cesare, Maria Teresa Go'mez-Pugnaire, Antonio Sa'nchez-Navas,
and Bernard Grobety

445 
Hydroxyl-rich topaz in high-pressure and ultrahigh-pressure kyanite quartzites, 
with retrograde woodhouseite, from the Sulu terrane, eastern China
Ru Y. Zhang, Juhn G. Liou, and Jin F. Shu

454 
Coesite exsolution from supersilicic titanite in UHP marble from the Kokchetav 
Massif, northern Kazakhstan
Yoshihide Ogasawara, Kyoka Fukasawa, and Shigenori Maruyama

462 
Composition of synthetic tremolite-tschermakite solid solutions in amphibole + 
anorthite- and amphibole + zoisite-bearing assemblages
Jens Najorka, Matthias Gottschalk, and Wilhelm Heinrich

478
 Paragenesis and thermobarometry of Ca-amphiboles in the Barcroft granodioritic 
pluton, central White Mountains, eastern California
W.G. Ernst

491 
B and Li in Proterozoic metapelites from the Black Hills, U.S.A.: Implications 
for the origin of leucogranitic magmas
Max Wilke, Peter I. Nabelek, and Michael D. Glascock

501 
The role of Fe and cation order in the crystal chemistry of surinamite, 
(Mg,Fe2+)3(Al,Fe3+)3O [AlBeSi3O15]: A crystal structure, Mo"ssbauer 
spectroscopic, and optical spectroscopic study
Jacques Barbier, Edward S. Grew, Elke Ha*lenius, Ulf Ha*lenius, and Martin G. Yates

514 
Fe3+ and Fe2+ partitioning among silicates in metapelites: A synchrotron micro-
XANES study
M. Darby Dyar, Emily W. Lowe, Charles V. Guidotti, and Jeremy S. Delaney

523 
Thermodynamic and structural behavior of analcime-leucite analogue systems
Guy L. Hovis, Jacques Roux, and Elizabeth Rodrigues

ARTICLES

533 
In-situ synchrotron study of the kinetics, thermodynamics, and reaction 
mechanisms of the hydrothermal crystallization of gyrolite, 
Ca16Si24O60(OH)8·14H2O
Samuel Shaw, C. Michael B. Henderson, and Simon M. Clark

542 
The crystal structures of grossular and spessartine between 100 and 600 K and 
the crystal chemistry of grossular-spessartine solid solutions
Uta Rodehorst, Charles A. Geiger, and Thomas Armbruster

Deposit Item

550 
The structures of becquerelite and Sr-exchanged becquerelite
Peter C. Burns and Yaping Li

558 
Elasticity and equation of state of orthoenstatite, MgSiO3
Ross J. Angel and Jennifer M. Jackson

562 
Reidite: An impact-produced high-pressure polymorph of zircon found in marine 
sediments
Billy P. Glass, Shaobin Liu, and Peter B. Leavens

566 
A new polymorph of eucryptite (LiAlSiO4), e-eucryptite, and thermal expansion of 
a- and e-eucryptite at high pressure
Jianzhong Zhang, Aaron Celestian, John B. Parise, Hongwu Xu, and Peter J. Heaney

572 
Disordering during melting: An 17O NMR Study of crystalline and glassy CaTiSiO5 
(titanite)
Scott Kroeker, David Rice, and Jonathan F. Stebbins

580 
Characterization of Mn oxides in cemented streambed crusts from Pinal Creek, 
Arizona, U.S.A., and in hot-spring deposits from Yuno-Taki Falls, Hokkaido, 
Japan
Halka Bilinski, Rudolf Giovanoli, Akira Usui, and Darko Hanzel


BOOK REVIEW

592Garrison Sposito
ENVIRONMENTAL MINERALOGY: MICROBIAL INTERACTIONS, ANTHROPOGENIC INFLUENCES, 
CONTAMINATED LAND, AND WASTE MANAGEMENT. J.D. Cotter-Howells, L.S. Campbell, E. 
Valsami-Jones, and M. Batchelder, Eds. (2000) The Mineralogical Society Series, 
no. 9, 414 p.

592 
ERRATUM
Polysomatism in ho"gbomite: The crystal structures of 10T, 12H, 14T, and 24R 
polysomes by Clivia Hejny and Thomas Armbruster (v. 87, pages 277-292, 2002).