01/12/2008

Winza rubies identified

Authors: Adolf Peretti, Francesca Peretti, Anong Kanpraphai, Willy Bieri, Kathrin Hametner, Detlef Günther Published in: Contributions to Gemmology No. 7 Download Publication

Ruby
08/08/2003

Namya rubies

Authors: Adolf Peretti Published in: Contributions to Gemmology No. 2 Download Publication

Ruby