American Mineralogist
REGULAR ARTICLE
189 The phase-equilibrium calorimeter, the petrogenetic grid, and a tyranny of numbers, Presidential Address
205 The identification of Fe2+ in the M(4) site of calcic amphiboles
217 Simultaneous crystallization of feldspar intergrowths from the melt
229 Samuelsonite: its crystal structure and relation to apatite and octacalcium phosphate
246 Schoonerite, a new zinc-manganese-iron phosphate mineral
250 Schoonerite: its atomic arrangement
256 Minyulite: its atomic arrangement
263 The crystal structure of harkerite
273 Monohydrocalcite in a guinea pig bladder stone, a novel occurence
278 Characterization of a marine birnessite
286 Effects of temperature and pressure on the crystal structure of ferromagnesian olivine
296 Infrared evidence of order-disorder in amesites
304 Fluorine-hydroxyl exchange in synthetic muscovite and its application to muscovite-biotite assemblages
309 Effects of temperature and pressure on interatomic distances in oxygen-based minerals
316 Downeyite, the first verified natural occurrence of SeO2
321 Liottite, a new mineral in the cancrinite-davyne group
327 Johachidolite redefined: a calcium aluminum borate
330 Synthesis of clinoptilolite
333 Post-emplacement alkali modifications in rapidly cooled acid volcanic rocks
336 The structure of KAlSiO4 with P63mc symmetry
341 The crystal structure of heazlewoodite, and metallic bonds in sulfide minerals
346 Phase relations in the system PbS-Cu2S-Bi2S3 and the stability of galenobismutite
351 Aluminum phosphate variants of feldspar
356 Crystal synthesis of a new olivine, LiScSiO4
362 Buchwaldite, a new meteoritic phosphate mineral
365 A reexamination of jennite
369 Crystal structure refinement of arsenian ullmannite
374 Wide-range density separation of mineral particles in a single fluid system
377 Improved heavy-liquid separation at fine particle sizes
382 A technique for extracting small crystals from thin sections
385 A spectroscopic and X-ray study of the coordination of Cr3+ ions in chlorites
390 Sector zoning of clinopyroxene from a weakly metamorphosed diabase
NEW MINERAL NAMES
395 NEW MINERAL NAMES
NOTES
402 NOTICES
BOOK REVIEW
398 BOOK REVIEWS
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.