American Mineralogist
REGULAR ARTICLE
375 The low-key crystallography
387 Macedonite-lead titanate: A new mineral
395 Wakefieldite, yttrium vanadate, a new mineral from Quebec
411 Schmitterite – a new uranyl tellurite from Moctezuma, Sonora
416 Akatoreite, a new manganese silicate from eastern Otago, New Zealand
427 The crystal structure of aenigmatite
447 Refinement of the crystal structures of epidote, allanite, and hancockite
465 “The “”unit particle”” of allophane”
476 Sulfide spherules in vesicles of dredged pillow basalt
489 “The relation between “”light wolframite”” and common wolframite”
499 An evaluation of the chemical distinctions between igneous and metamorphic orthopyroxenes
507 Synthesis and stability relations of prehnite, Ca2Al2Si3O10(OH)2
532 Mg2+-Fe2+ order-disorder and the thermodynamics of the orthopyroxene crystalline solution
560 Natrolite from the Green River Formation, Colorado, showing an intergrowth akin to twinning
570 An equilibrium model for Buchan-type metamorphic rocks, south-central Maine
587 Serpentine stability in relation to formation of iron-rich montmorillonite in some California soils
603 Electrophoretic separation of an inorganic amorphous material from the less than 0.2 μm fraction of a soil clay mixture
613 Recovery of heavy liquids from dilute solutions
625 A note on the structural chemistry of hematophanite
628 Reactions of magnesium carbonates by direct X-ray diffraction under hydrothermal conditions
630 Smythite, Fe3+xS4, and associated minerals from the Silverfields Mine, Cobalt, Ontario: Erratum
657 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1970
662 Acceptance of the Mineralogical Society of America Award for 1970
AWARD
653 Presentation of the Roebling Medal of the Mineralogical Society of America for 1970 to George W. Brindley
660 Presentation of the Mineralogical Society of America Award for 1970 to Bernard W. Evans
NEW MINERAL NAMES
631 New Mineral Names
MINERALOGICAL NOTES
620 MINERALOGICAL NOTES Vaterite stability
BOOK REVIEW
641 Book Reviews
PROCEEDINGS
732 Proceedings of the fifty-first annual meeting of the Mineralogical Society of America at Milwaukee, Wisconsin
743 List of Former Officers and Meeting Places
MEMORIAL
665 Memorial of Alfred Leonard Anderson
668 Memorial of Helen Blair Barlett
670 Memorial of Oliver Bowles
674 Memorial of Louis Wade Currier
680 Memorial of Claes Walther Harry Von Eckermann
686 Memorial of Margaret D. Foster
690 Memorial of Paul Dimitri Krynine
698 Memorial of Felix Karl Ludwig Machatschki
706 Memorial of Charles Mauguin
710 Memorial of William John Miller
716 Memorial of Joseph James Runner
720 Memorial of Duncan Stewart VII
728 Memorial of George Forbes Walker
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.