9 3/8 x 11 5/8 in.
24 x 29,5 cm
Over 300 illustrations,
mainly in colour
Their characteristics and their origin
Their extraction and processing
Portraits of the gemstones
Portraits of ornamental gems
Symbols of authority and power
Beauty, magic, and medicine
The fascination of internal life
A passion for collecting
Natural or not?
Dr. Eduard J. Gübelin is one of the foremost
gemologists in the world. Gübelin was the first to establish a
systematic classification of inclusions. He has published
several books about gemstones. For his voluminous contribution
to gemology, he received several awards. In recognition of his
promoting gemology, he was received the Médaille de Ville de
Paris in 1993.
Dr. Franz-Xaver Erni is a freelance journalist (PEN).
He was awarded his doctorate in the field of philosophy. He was
in charge of various magazines as the editor-in-chief and has
also been writing on gemological topics for many years. He
received the "Plume d'or" for his contribution "The Color and
Purity of Diamonds".