Description
ELSEVIER SCIENCE & TECHNOLOGY Topaz ( Butterworth-Heinemann Gem Books) by Hoover D.B.
A concise review of the important gemmological attributes of topaz including a survey of important crystals and gems; chemical optical physical and crystallographic properties; color phenomena and color change treatments; deposit geology; and a comprehensive description of all important topaz localities on a country-by-country basis. Includes 19 color photographs and numerous b&w figures. Annotation copyright Book News Inc. Portland Or.show more