 | | Journal (article/letter/editorial) | | ROBERT B. COOK Department of Geology and Geography Auburn University Auburn, Alabama 36849 cookrob@auburn...02:10 27 October 2013 Minas Gerais, Brazil O ne of the most interesting and at times quite beautiful...rock-forming minerals is kyanite. It is one of a triad of aluminosilicates that often develop during regional...sillimanite and andalusite, are also familiar to many collectors. Although common in most belts of regionally...metamorphosed rocks and described from many hundreds of localities, kyanite is particularly well known as |  | | Book (edition) | | MINERALOGY OF ARIZONA β’ Wu!fenite. Red Cloud mine, Si/district, Trigo Mountains, La Paz County, Arizona...collected by Ed Over. Chip Clark photo. ' INERALOGY OF A ZONA THIRD EDITION John W Anthony Sidney A. Williams...Society The University of Ariwna Press / Tucson .. The University of Arizona Press Copyright Β© 1977...1977, r982, 1995 Arizona Board of Regents All rights reserved. First edition 1977 Revised reprinting (second...in the United States of America 00 99 98 97 96 95 6 5 4 3 2 I Library of Congress Cataloging-in-Publication | | | Book (edition) | | MINERALOGY OF ARIZON ' = ' ~ β t . se β = β 1 1 co e - a _ . ? E agtee - 4 . Pn... MINERALOGY OF ARIZONA Wulfenite. Red Cloud mine, Silver district, Trigo Mountains, La Paz County, Arizona...collected by Ed Over. Chip Clark photo. MINERALOGY OF ARIZONA THIRD EDITION W. Anthony Joh n Sidney A. Williams...Society The University of Arizona Press / Tucson The University of Arizona Press Copyright Β© 1977,... 1982, 1995 Arizona Board of Regents All rights reserved. First edition 1977 Revised reprinting (second |
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