American Mineralogist
Open AccessLETTER
259
High-pressure synthesis of Na2Mg6Si6O18(OH)2– a new hydrous silicate phase isostructural with aenigmatite
Hexiong Yang and Jürgen Konzett
REGULAR ARTICLE
1
Eclogite-facies relics and inferred ultrahigh-pressure metamorphism in the North Dabie Complex, central-eastern China
Chin-Ho Tsai and Juhn G. Liou
9
Application of INVEQ to the geothermobarometry of metamorphic rocks near a kyanite-sillimanite isograd, Mica Creek, British Columbia
Edward D. Ghent and Terence M. Gordon
14
Microstructural characterization of metamorphic magnetite crystals with implications for oxygen isotope distribution
Scott D. Sitzman, Jillian F. Banfield, and John W. Valley
22
Coexisting monazite and allanite in peraluminous granitoids of the Tribec Mountains, Western Carpathians
Igor Broska, Igor Petr??k, and C. Terry Williams
33
Effect of alkalis, phosphorus, and water on the surface tension of haplogranite melt
Nikolai Bagdassarov, Alexander Dorfman, and Donald B. Dingwell
41
Direct observation of immiscibility in pyrope-almandine-grossular garnet
Liping Wang, Eric J. Essene, and Youxue Zhang
47
On the cluster analysis of grains and crystals in rocks
Dougal A. Jerram and Michael J. Cheadle
68
Experimental approach to constrain second critical end points in fluid/silicate systems: Near-solidus fluids and melts in the system albite-H2O
Roland Stalder, Peter Ulmer, Alan B. Thompson, and Detlef Günther
78
Estimation and testing of standard molar thermodynamic properties of tourmaline end-members using data of natural samples
P. Garofalo, A. Audétat, D. Günther, C.A. Heinrich, and J. Ridley
89
An investigation of matrix effects in the analysis of fluorine in humite-group minerals by EMPA, SIMS, and SREF
Luisa Ottolini, Fernando Cámara, and Simona Bigi
103
New data on the crystal-chemistry of fluoborite by means of SREF, SIMS, and EMP analysis
Fernando Cámara and Luisa Ottolini
108
Effect of aluminum on Ti-coordination in silicate glasses: A XANES study
Claudia Romano, Eleonora Paris, Brent T. Poe, Gabriele Giuli, Donald B. Dingwell, and Annibale Mottana
118
XAFS study of Cu model compounds and Cu2+ sorption products on amorphous SiO2, γ-Al2O3, and anatase
Sing-Foong Cheah, Gordon E. Brown Jr., and George A. Parks
133
Oxidation-reduction mechanism of iron in dioctahedral smectites: I. Crystal chemistry of oxidized reference nontronites
A. Manceau, B. Lanson, V.A. Drits, D. Chateigner, W.P. Gates, J. Wu, D. Huo, and J. W. Stucki
153
Oxidation-reduction mechanism of iron in dioctahedral smectites: II. Crystal chemistry of reduced Garfield nontronite
A. Manceau, V.A. Drits, B. Lanson, D. Chateigner, J. Wu, D. Huo, W.P. Gates, and J.W. Stucki
173
15N NMR study of nitrate ion structure and dynamics in hydrotalcite-like compounds
Xiaoqiang Hou, R. James Kirkpatrick, Ping Yu, Duane Moore, and Yeongkyoo Kim
181
29Si and 27Al MAS-NMR spectroscopy of β-eucryptite (LiAlSiO4): The enthalpy of Si,Al ordering
Brian L. Phillips, Hongwu Xu, Peter J. Heaney, and Alexandra Navrotsky
189
The nuclear and magnetic structure of white rust Fe(OH0.86D0.14)2
John B. Parise, William G. Marshall, Ronald I. Smith, H.D. Lutz, and Hendrik M??ller
194
In-situ study of the R3 to R3c phase transition in the ilmenite-hematite solid solution using time-of-flight neutron powder diffraction
Richard J. Harrison, Simon A.T. Redfern, and Ron I. Smith
206
In situ X-ray diffraction investigation of lawsonite and zoisite at high pressures and temperatures
Klaus-D. Grevel, Elke Ursula Nowlan, Detlef W. Fasshauer, and Michael Burchard
217
A shell model for the simulation of rhombohedral carbonate minerals and their point defects
Diana K. Fisler, Julian D. Gale, and Randall T. Cygan
225
Optical properties of natural and cation-exchanged heulandite group zeolites
Jennifer L. Palmer and Mickey E. Gunter
231
The crystal structure of gearksutite, CaAlF4(OH)H2O
Fabio Marchetti and Natale Perchiazzi
236
A new anhydrous amphibole from the Eifel region, Germany: Description and crystal structure of obertiite,
NaNa2(Mg3Fe3+Ti4+)Si8O22O2
Frank C. Hawthorne, Mark A. Cooper, Joel D. Grice, and Luisa Ottolini
242
Kinoshitalite, Ba(Mg)3(Al2Si2)O10(OH,F)2, a brittle mica from a manganese deposit in Oman: Paragenesis and crystal chemistry
Edwin Gnos and Thomas Armbruster
251
The crystal structure of parisite-(Ce), Ce2CaF2(CO3)3
Yunxiang Ni, Jeffrey E. Post, and John M. Hughes
NEW MINERAL NAMES
263
NEW MINERAL NAMES
John L. Jambor and Andrew C. Roberts
BOOK REVIEW
267
BOOK REVIEW: The Physics of Explosive Volcanic Eruptions. Edited by J. S. Gilbert and R. S. J. Sparks. Geological Society, Special Publication No. 145, 1998.
Kenneth H. Wohletz
DEPOSIT ITEMS
89
An investigation of matrix effects in the analysis of fluorine in humite-group minerals by EMPA, SIMS, and SREF
Luisa Ottolini, Fernando Cámara, and Simona Bigi
Item#: AM-00-030
Tables 4 and 5 Calculated Structure Factors and Anisotropic Components
AM-00-030.zip zipped
Tables 4 and 5 Calculated Structure Factors and Anisotropic Components
AM-00-030.zip zipped
103
New data on the crystal-chemistry of fluoborite by means of SREF, SIMS, and EMP analysis
Fernando Cámara and Luisa Ottolini
194
In-situ study of the R3 to R3c phase transition in the ilmenite-hematite solid solution using time-of-flight neutron powder diffraction
Richard J. Harrison, Simon A.T. Redfern, and Ron I. Smith
Item#: AM-00-033
Table 2 . Results of structural refinements and Table 3 . Selected Inter- and intralayer cation-cation distances
AM-00-033.zip zipped
Table 2 . Results of structural refinements and Table 3 . Selected Inter- and intralayer cation-cation distances
AM-00-033.zip zipped
236
A new anhydrous amphibole from the Eifel region, Germany: Description and crystal structure of obertiite,
NaNa2(Mg3Fe3+Ti4+)Si8O22O2
Frank C. Hawthorne, Mark A. Cooper, Joel D. Grice, and Luisa Ottolini
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
AmMin submission to acceptance/”first publication” is at a record average of about three to four months. Our acceptance to “final” publication is presently another 13 months on average.
Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.