American Mineralogist
REGULAR ARTICLE
433 The spindle stage: a turning point for optical crystallography
448 Is each analcime different?
461 Virgilite: a new lithium aluminum silicate mineral from the Macusani glass, Peru
466 Extinction angles of synthetic intermediate albites
470 Kinetics of lamellar coarsening in cryptoperthites
478 Guildite, a layer structure with a new type of ferric hydroxy-sulphate chain and its optical absorption spectra
484 Brindleyite, a nickel-rich aluminous serpentine mineral analogous to berthierine
490 The site distribution of iron and anomalous biaxiality in osumilite
499 Chevkinite and perrierite from the Oslo region, Norway
506 Crystal structures and sulphate force constants of barite, celestite, and anglesite
511 Experimental determination of univariant equilibria using divariant solid-solution assemblages
516 Experimental extension of the sphalerite geobarometer to 10 kbar
520 The crystal structure of synthetic calcium phosphate-sulfate hydrate, Ca2HPO4SO4·4H2O and its relation to brushite and gypsum
528 Kalipyrochlore, a new mineral of the pyrochlore group
531 Magmatic trends on alkali-iron-magnesium diagrams
535 Crystal chemistry of titanian chondrodite and titanian clinohumite of high-pressure origin
544 Manganoan magnesian ilmenite and titanian clinohumite from the Jacupiranga carbonatite, Sao Paulo, Brazil
548 Study of the glide elements in pyrite by means of electron microscopy and electron diffraction
551 The biotite-apatite geothermometer revisited
554 Occurrence of dickite in Jamaica – ordered and disordered varieties
563 Inesite, a hydrated calcium manganese silicate with five-tetrahedral-repeat double chains
572 Long-range organization in the ammonium propionate intercalation complexes of kaolinite
584 Ion microprobe mass analysis of exsolution lamellae in labradorite feldspar
591 Hydrostatic compression of iron and related compounds: an overview
597 “Correction to the paper “”Compositional variations of coexisting phases with degree of melting of peridotite in the upper mantle”” by B. O. Mysen and I. Kushiro”
602 Acceptance of the Roebling Medal of the Mineralogical Society of America for 1977
605 Acceptance of the Mineralogical Society of America Award for 1977
AWARD
601 AWARDS Presentation of the Roebling Medal of the Mineralogical Society of America for 1977 to Raimond Castaing
604 Presentation of the Mineralogical Society of America Award for 1977 to J. G. Liou
NEW MINERAL NAMES
598 NEW MINERAL NAMES
PROCEEDINGS
610 PROCEEDINGS Proceedings of the Fifty-eighth Annual Meeting of the Mineralogical Society of America in Seattle, Washington
616 LIST OF FORMER OFFICERS AND MEETING PLACES
MEMORIAL
607 MEMORIALS Memorial of Joseph W. Greig 1895-1977
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.