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Author Themelis, Ted
Title The heat treatment of ruby and sapphire / Ted Themelis
Imprint [Clearwater, Fla.] : Gemlab, 1992
book jacket
LOCATION CALL # STATUS OPACMSG BARCODE
 Fu Ssu-Nien WTN LANG BK  TS755.R82 T383 1992    AVAILABLE    HPW0058037
Edition 1st limited ed
Descript xviii, 236 p. : ill. ; 24 cm
Note "An account of the most commonly practiced heat treatment methods and apparatuses, which alter the appearance of the ruby and sapphire; their occurences, descriptions, inculusion characteristics, identification, and other features."
Includes bibliographical references (p. 228-231) and index
Subject Rubies -- Heat treatment
Sapphires -- heat treatment
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