#GRS research: Magnificent Winza Tanzania rubies 2008
World record unheated rubies over 10cts of excellent transparency, brilliancy and vibrant red colors found in Winza (-Dodoma) Tanzania (GRS Gemresearch Swiss...
#GRS documentary: New world record Pigeon's Blood Rubies discovered in Madagascar, Part 6
PART 6: Hong Kong Seminar September 2012. New magnificent rubies were found in a National Park near Didy in Madagascar in May 2012. When the rough was first ...
#GRS documentary: New world record Pigeon's Blood Rubies discovered in Madagascar, Part 3 of 5 2012
PART 3: FIELD GEOLOGY. New magnificent rubies were found in a National Park near Didy in Madagascar in May 2012. When the rough was first discovered, it was ...
#GRS documentary: New world record Pigeon's Blood Rubies discovered in Madagascar, Part 3 of 5 2012
PART 3: FIELD GEOLOGY. New magnificent rubies were found in a National Park near Didy in Madagascar in May 2012. When the rough was first discovered, it was ...
#GRS documentary: New world record Pigeon's Blood Rubies discovered in Madagascar, Part 1 of 5 2012
PART 1: FLYING OVER THE MINE. New magnificent rubies were found in a National Park near Didy in Madagascar in May 2012. When the rough was first discovered, ...
#GRS Trailer: New world record Pigeon's Blood Rubies discovered in Madagascar 2012
New magnificent rubies were found in a National Park near Didy in Madagascar in May 2012. When the rough was first discovered, it was assumed to be impossibl...
#GRS documentary: Origin of Magnificent Rubies from Winza Tanzania 2008
New Magnificent Rubies are found near Winza (Dodoma)in Tanzania. Documentary by Dr. A. Peretti (GRS Gemresearch Swisslab)
#GRS Education: Talk at 13th ICA Congress in Panyu, China 2009Part 1
Dr. A. Peretti, director of GRS Gemresearch Swisslab AG, talking about research on the origin and treatments of valuable rubies from Winza ,Tanzania (Part 1)...
#GRS Funstuff: MINERS DANCE AFTER FINDING A BIG SAPPHIRE
Part of a documentary movie by GRS Gemresearch Swisslab AG. Dancing after a sapphire was found. Mining activities from Ilakaka to Sakaraha. From the mines to...
#GRS documentary: World of Magnificent Spinels Provenance and Identification 2012
World of Magnificent Spinels: Provenance, Identification, Powerpoint Presentation at AGA Tucson Conference February 1, 2012
YouTube
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#GRS documentary: World of Magnificent Spinels Provenance and Identification 2012
World of Magnificent Spinels: Provenance, Identification, Powerpoint Presentation at AGA Tucson Conference February 1, 2012
YouTube
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
#GRS trailer: Expedition to the Mogok Ruby mines 2013
GRS Expedition to the Mogok Ruby mines in July 2013 - Pigeon's Blood Valley
#GRS documentary: New world record Pigeon's Blood Rubies discovered in Madagascar, Part 6
PART 6: Hong Kong Seminar September 2012. New magnificent rubies were found in a National Park near Didy in Madagascar in May 2012. When the rough was first ...
#GRS documentary: New world record Pigeon's Blood Rubies discovered in Madagascar, Part 6
PART 6: Hong Kong Seminar September 2012. New magnificent rubies were found in a National Park near Didy in Madagascar in May 2012. When the rough was first ...