American Mineralogist
REGULAR ARTICLE
807 Differential thermal analysis of some irradiated materials
814 Crystal structure of hydrochlorborite, Ca2[B3O3(OH)4·OB(OH)3]Cl·7H2O, a seasonal evaporite mineral
824 An X-ray powder camera for taking photographs at low temperatures
827 Authigenic todorokite and phillipsite inside deep-sea manganese nodules
832 On cooperite, braggite, and vysotskite
840 How much crystallography should we teach geologists
847 Carlfriesite: crystal structure, revision of chemical formula, and synthesis
853 Error problems in the two-media method of deriving the optical constants n and k from measured reflectances
863 The crystal chemistry of sherwoodite, a calcium 14-vanadoaluminate heteropoly complex
869 Relation of the relative concentrations of lanthanides in titanite to type of host rocks
874 Crystal structures of the humite minerals: V. Magnesian manganhumite
878 Compositional variation of muscovite in medium- to high-grade metapelites of northwestern Maine
885 Predicted and observed compositional limits of trioctahedral micas
893 Goniometry from photographs or angle-true sketches
898 Regional metamorphism of Proterozoic iron-formation, Labrador Trough, Canada
913 Compositional and refractive index variations of the herderite-hydroxyl-herderite series
918 Silicates with branched anions: a crystallochemically distinct class
924 Implications of a titanium-rich glass clod at Oceanus Procellarum
930 Abelsonite, nickel porphyrin, a new mineral from the Green River Formation, Utah
938 Kraisslite, a new platy arsenosilicate from Sterling Hill, New Jersey
941 Petscheckite and liandratite, two new pegmatite minerals from Madagascar
947 Zoned plagioclase and peristerite formation in phyllites from southwestern Massachusetts
956 The use of infrared spectra for the determination of minerals
960 Enumeration of 4-connected 3-dimensional nets and classification of framework silicates, II. Perpendicular and near-perpendicular linkages from 4.82, 3.122 and 4.6.12 nets
970 Petrogenesis of lithium-rich pegmatites
981 Triclinic feldspars: angular relations and the representation of feldspar series
991 Monticellite marble at Cascade Mountain, Adirondack Mountains, New York
1000 New biopyriboles from Chester, Vermont: I. Descriptive mineralogy
1010 Lunar plutonic rocks: a suite of materials depleted in trace siderophile elements
1016 Khinite, parakhinite, and dugganite, three new tellurates from Tombstone, Arizona
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.