GRS Video Library
#GRS documentary 2015: A journey to Mogok
#GRS documentary 2015: Interesting discoveries at the Mandalay gemstone market
#GRS education 2015: Heat treatment of spinel in Mogok, Burma (Myanmar)
#GRS education 2015: Perettiite crystal in Phenakite
#GRS documentary 2012: New world record ‘Pigeon’s Blood’ rubies discovered in Madagascar – Part 6/6
#GRS documentary 2012: New world record ‘Pigeon’s Blood’ rubies discovered in Madagascar – Part 5/6
#GRS documentary 2012: New world record ‘Pigeon’s Blood’ rubies discovered in Madagascar – Part 4/6
#GRS documentary 2012: New world record ‘Pigeon’s Blood’ rubies discovered in Madagascar – Part 3/6
#GRS documentary 2012: New world record ‘Pigeon’s Blood’ rubies discovered in Madagascar – Part 2/6
#GRS documentary 2012: New world record ‘Pigeon’s Blood’ rubies discovered in Madagascar – Part 1/6
#GRS documentary 2012: Sri Lanka new sapphire mine – Kataragama
#GRS education 2012: World of magnificent spinel – provenance and identification
