“The study of crystallography should enhance your awareness of the world of patterns that exists all around you.”

To experience a free online version of the chapter on Crystallography click here:

For more information about “Mineralogy and Optical Mineralogy” by Melinda Darby Dyar, Mickey E. Gunter, and Dennis Tasa, a textbook with DVD-ROM, published by the Mineralogical Society of America, go to:
http://www.minsocam.org/MSA/DGTtxt/

For more information about CD-ROMs on the study of minerals by Melinda Darby Dyar, et al. published by Tasa Graphic Arts, Inc. go to:
http://www.tasagraphicarts.com

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