![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/05/MSA-AmMin-Logo-300x295.png)
American Mineralogist
![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/07/MSA-Logo-300x300.png)
![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/09/FreeAccess-300x180.png)
REGULAR ARTICLE
519 Infrared light for mineral determination
532 The structure of tourmaline
541 The dark-field color immersion method
550 Pegmatites of Eight: Mile Park, Fremont County, Colorado
588 Alpha-silicon carbide, type 51 R
600 A direct reading analytical spectroscope
612 The use of Becke line colors in refractive index determination
619 Properties and chemical formula of fourmarierite
622 A survey of inorganic piezoelectric materials
634 Simple gnomonic projector for x-ray Lauegrams
639 The Livingston, Overton County, Tennessee, meteorite
642 The degrees of freedom of simple symmetry operations
648 A new occurrence of helvite
NEW MINERAL NAMES and DISCREDITED MINERALS
653 New mineral names; Discredited minerals
NOTES and NEWS
645 Notes and news: Notes on the reliability of the x-ray diffraction spectrometer for quantitative mineral analysis
BOOK REVIEW
650 Book reviews
PROCEEDINGS
652 Proceedings of societies
![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/05/table-of-contents-v3-1024x683.png)
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.
![](https://msaweb.org/MSA/AmMin/wp-content/uploads/2023/05/special-collections-1024x683.png)
Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.