American Mineralogist

Volume 6, Issue no. 05 : May 1921

REGULAR ARTICLE

85 Arsenopyrite twins from New Mexico

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86 “The identity of “”collbranite”” with ludwigite”

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88 The old cobalt mine in Chatham, Conn

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NEW MINERAL NAMES, NOTES, NEWS, PROCEEDINGS and ABSTRACTS

90 Notes and news, proceedings of societies, new minerals, and abstracts

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91 Notes and news, proceedings of societies, new minerals, and abstracts

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92 Notes and news, proceedings of societies, new minerals, and abstracts

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95 Notes and news, proceedings of societies, new minerals, and abstracts

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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.