American Mineralogist
REGULAR ARTICLE
1 Superstructuring in the bornite-digenite series: a high-resolution electron microscopy study
17 Characters of quartz fibers HTML version
28 The crystal structure of loveringite-a new member of the crichtonite group
37 An unusual titanium-rich oxide mineral from the Eastern Bushveld Complex
40 Phase equilibria in fluid inclusions in ultramafic xenoliths
47 Mineralogy of the Elwin Bay kimberlite, Somerset Island, N.W.T., Canada
58 Synthesis, composition, thermal stability, and thermodynamic properties of bicchulite, Ca2[Al2SiO6](OH)2
66 Compositions and unit-cell parameters of synthetic non-stoichiometric tschermakitic clinopyroxenes
73 The stability of clinochlore + quartz at low pressure
83 The use of thermodynamic excess functions in the Nernst distribution law
87 Calculation of metamorphic pressure using the sphalerite-pyrrhotite-pyrite equilibrium
96 Pyrophyllite and metamorphism in the Carolina slate belt
109 Low-temperature heat capacities and entropies of feldspar glasses and of anorthite
124 Intensity differences of subsidiary reflections in calcic plagioclase
132 Ordering of the intermediate plagioclase structure during heating
136 Exsolution in potassium-calcium feldspars: experimental evidence and relationship to antiperthites and Bøggild lamellae
143 Plagioclase compositions from metabasalts, southeastern Llano Uplift: plagioclase unmixing during amphibolite-grade metamorphism
150 Hematolite: a complex dense-packed sheet structure
160 Ulexite, NaCaB5(OH)6·5H2O: structure refinement, polyanion configuration, hydrogen bonding, and fiber optics
172 Salesite, CuIO3(OH), and Cu(IO3)2·2H2O: a comparison of the crystal structures and their magnetic behavior
180 The crystal structure of paramelaconite, Cu4O3
186 Refinement of the margarite structure in subgroup symmetry: correction, further refinement, and comments
188 Gadolinite-(Ce) from Skien, southwestern Oslo region, Norway
196 Hydroxyapophyllite, a new mineral, and a redefinition of the apophyllite group I. Description, occurrences, and nomenclature
196 II. Crystal structure
203 Three-layer monoclinic lepidolite from Tørdal, Norway
205 Coexisting amphiboles from the Noranda area, Quebec: extension of the actinolite hornblende miscibility gap to iron-rich bulk composition
210 Epitaxial marcasite on pyrite from Rensselaer, Indiana HTML Version
213 New data on stranskiite from Tsumeb, Southwest Africa
NOTES
217 NOTICES
BOOK REVIEW
216 BOOK REVIEWS
TABLE OF CONTENTS
&
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.