Diamanti
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Bibliografia e autori
Bibliografia
Collins A. T. (1982). Colour Centers in Diamonds. Journal of Gemology, 18: pag. 37-75.
Dickinson J. Y. (1965). The Book of Diamonds. Avenel Books, New York.
Harlow (1988). The Nature of Diamonds. Cambridge University Press.
Hofer S. C. (1998). Collecting and Classifying Coloured Diamonds. Ashland Press INC., New York.
Gems & Gemology – Summer 2003 – Vol. 39, No. 2.
Webster R. (1975). Gems: Their Sources, Descriptions and Identifications. 3rd ed. Buttherworths & Co.
Zaitsev (2001). Optical Properties of Diamond. Springer Verlag.
Wikipedia: link internet su Http://en.wikipedia.org/wiki/pumpkin_diamond
Autori
Jorge Luiz Brusa e Rainer Schultz-Güttler
Tratto da: Rivista Gemmologica Italiana 4/2007