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March-April 2014

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Rocks & Minerals welcomes letters from our readers. Write


In our article on the Maryland gold mine (September/October 2013, pages 448-460), I apologize for inadvertently converting the dimensions of the large gold specimen (fig. 1, page 448) from millimeters to inches instead of centimeters. The corrected dimensions in centimeters are 9.75 × 4 × 2 cm.

Caption: This Maryland gold specimen measures 9.75 × 4 × 2 cm.


In reference to Bob Cook's Connoisseur's Choice column on buergerite in the September/October 2013 issue (pages 442-446), by a remarkable coincidence the person who misidentified the buergerite as enstatite was my friend and mineral business partner while both of us were graduate students in mineralogy at the University of Arizona in the early 1960s. I could never understand how he managed to do this, as he claims that he X-rayed a sample.


When Jeff Starr was preparing his article on license plates that reflect the hobby ("A License to Collect," May/June 2013, pages 231-235), he photographed my GEOLOGY plate and asked if he could use the image in the article. I declined, knowing I would soon be moving to another state (New Mexico) and wanting GEOLOGY to be available when I asked for it. My plate collection, pictured here, represents thirty-four years of GEOLOGY on a thirty-seven-year-old car, which I purchased new.

Caption: Patrick Haynes's wall décor made up of nine GEOLOGY license plates from four different states: Arizona, New Mexico, Colorado, and Nevada. Above: The tradition continues with his current plate.

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