171

Closure in crystal size distributions (CSD), verification of CSD calculations, and the significance of CSD fans
Michael D. Higgins

176

Icosahedral domain structure of framboidal pyrite
Hiroaki Ohfuji and Junji Akai

1

Study on adsorption of submicrometer gold on kaolinite by quantum chemistry calculations
Hong Hanlie, Min Xinmin, and Fu Zhengyi

5

Image distortion in scanning probe microscopy
K. Henriksen and S.L.S. Stipp

17

Multiple length scale growth spirals on metamorphic graphite {001} surfaces studied by atomic force microscopy
John Rakovan and John A. Jaszczak

25

²⁹Si MAS NMR study of diopside-Ca-Tschermak clinopyroxenes: Detecting both tetrahedral and octahedral Al substitution
Roberta L. Flemming and Robert W. Luth

37

Electron paramagnetic resonance spectroscopic study of synthetic fluorapatite: Part I. Local structural environment and substitution mechanism of Gd³⁺ at the Ca2 site
Ning Chen, Yuanming Pan, and John A. Weil

47

Electron paramagnetic resonance spectroscopic study of synthetic fluorapatite: Part II. Gd³⁺ at the Ca1 site, with a neighboring Ca2 vacancy
Ning Chen, Yuanming Pan, John A. Weil, and Mark J. Nilges

56

Determination of the H₃BO₃ concentration in fluid and melt inclusions in granite pegmatites by laser Raman microprobe spectroscopy
Rainer Thomas

69

Analysis of natural H₂O + CO₂ + NaCl fluid inclusions in the hydrothermal diamond anvil cell
Robert S. Darling and William A. Bassett

79

Thermodynamics of the amphiboles: Ca-Mg-Fe²⁺ quadrilateral
Mark S. Ghiorso and Bernard W. Evans

99

Phase boundary between rutile-type and CaCl₂-type germanium dioxide determined by in situ X-ray observations
Shigeaki Ono, Kei Hirose, Norimasa Nishiyama, and Maiko Isshiki

103

The nature, formation, and stability of end-member illite: A hypothesis
Philip E. Rosenberg

108

Determination of melanterite-rozenite and chalcanthite-bonattite equilibria by humidity measurements at 0.1 MPa
I-Ming Chou, R.R. Seal II, and B.S. Hemingway

115

Pressure-temperature paths from garnet-zoning: Evidence for multiple episodes of thrust burial in the hinterland of the Sevier orogenic belt
Thomas D. Hoisch, Michael L. Wells, and Lori M. Hanson

132

Mineralogical and Mössbauer spectroscopic study of a diopside occurring in the marbles of Andranondambo, southern Madagascar
Johan de Grave, Paul de Paepe, Eddy de Grave, Renaud Vochten, and Sigrid G. Eeckhout

142

Correlations of octahedral cations with OH^–, O^2-, Cl^–, and F^– in biotite from volcanic rocks and xenoliths
Kevin Righter, M. Darby Dyar, Jeremy S. Delaney, Torsten W. Vennemann, Richard L. Hervig, and Penelope L. King

154

H positions in leucophoenicite, Mn₇Si₃O₁₂(OH)₂: A close relative of the hydrous B phases
Mark D. Welch, William G. Marshall, Nancy L. Ross, and Kevin S. Knight

160

Ominelite, (Fe,Mg)Al₃BSiO₉ (Fe²⁺ analogue of grandidierite), a new mineral from porphyritic granite in Japan
Yoshikuni Hiroi, Edward S. Grew, Yoichi Motoyoshi, Donald R. Peacor, Roland C. Rouse, Satoshi Matsubara, Kazumi Yokoyama, Ritsuro Miyawaki, James J. McGee, Shu-Chun Su, Tomokazu Hokada, Noboru Furukawa, and Hiroshi Shibasaki

181

NEW MINERAL NAMES
John L. Jambor, Edward S. Grew and Andrew C. Roberts

184

ERRATUM: Description and crystal structure of turtmannite, a new mineral with a 68 Å period related to mcgovernite by Joël Brugger, Thomas Armbruster, Nicolas Meisser, Clivia Hejny, and Bernard Grobety (v. 86, pages 1494-1505, 2001).

176

Icosahedral domain structure of framboidal pyrite
Hiroaki Ohfuji and Junji Akai