Blancas: An historic Colombian emerald mine R. Ringsrud and E. Boehm 251 Book review 254 Conference...UK F: +44 (0)20 7404 8843 T: +44 (0)20 7404 3334 E: information@gem-a.com W: www.gem-a.com ©2004 Gemmological...UK T: +44 (0)20 7404 3334 F: +44 (0)20 7404 8843 E: information@gem-a.com W: www.gem-a.com Registered...Deeks, E.A. Jobbins, M.J. O’Donoghue Honorary Fellow: E. Fritsch Honorary Diamond Member: M. Rapaport Honorary...Harris, J.A.W. Hodgkinson, J.I. Koivula, C.M. Ou Yang, E. Stern, I. Thomson, V.P. Watson, C.H. Winter Chief |