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FEVER OF THE CONQUISTADORS - The emerald mines' takeover by the Spanish
THE PINNACLE OF EMERALDS - A gem with a unique colour, purity and crystal
FROM GREEN WARS TO GREY PEACE - Violence, past and present
A DREAM IN THE DEEP - A green fantasy in a black abyss
TWILIGHT OF THE GUAQUEROS - An endangered tradition
METAMORPHOSIS - The art of seeing and cutting through a rough gem
MAGNIFICENT GREEN (with Adolf Peretti)
A fascinating journey into the Colombian emerald world told by its own people - miners, patrons, cutters, brokers and jewellers. Illuminated through the double prism of photo-journalism and gemmological expertise. An exclusive exploration of an enthralling history illustrated with stories from royal collections, international auctions and top jewellery houses.
340 pages, published in 2017 by GRS GemResearch Swisslab AG.
FROM GREEN TO GREEN - Brokers and dealers
FLYING INTO THE HEART OF THE MINING REGION- A trip by GRS
WOMEN'S ROUGH DESTINY - Victims and hope bearer
AN INDUSTRY TRANSFORMING - Getting an industry into modernity
LUXURIANCE AND VIRGIN MARY - A country of abundance and poverty
FACETING THE FUTURE - Finding an honourable future for all