About the Cover
ABOUT THE COVER: Diamond, the ultrahard cubic form of carbon, is a mineral requiring a long string of superlatives to describe its properties, its technological and commercial importance, and its roots into human culture and our physical world. Pictured is the Minton diamond octahedron (7 mm across) in kimberlite from the De Beers Mine, Kimberley, South Africa. PHOTO BY DENIS FINNIN, COURTESY OF AMERICAN MUSEUM OF NATURAL HISTORY.
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Copyright © 2007 by Mineralogical Society of America
