"Mining Rubies & Sapphires in Madagascar", a Field Gemology webinar with Nirina Rakotosaona Field Gemology by Vincent Pardieu 2:10:55 4 years ago 1 298 Скачать Далее
"Gem Rushes in Madagascar", a Field Gemology Talk webinar with Dr. Remy Canavesio, PhD Field Gemology by Vincent Pardieu 2:15:40 4 years ago 720 Скачать Далее
Field Gemology in Northern Madagascar Field Gemology by Vincent Pardieu 5:54 5 years ago 27 663 Скачать Далее
"Geology & Prospecting of African Gem Deposits", a Field Gemology webinar with Dr. Cedric Simonet Field Gemology by Vincent Pardieu 2:57:10 4 years ago 1 887 Скачать Далее
Gems of Northern Madagascar GIA (Gemological Institute of America) 14:54 2 months ago 2 835 Скачать Далее
"Vato Masina I": Sapphires rush near Bemainty, Madagascar (first part) Field Gemology by Vincent Pardieu 8:19 7 years ago 222 032 Скачать Далее
GRS Gemresearch Documentary: Sapphire Mining in Madagascar (2008) GRS Gemresearch Swisslab 36:38 3 years ago 105 949 Скачать Далее
Madagascar Sapphires: Teaching Gemology for Equal Opportunity Mine to Market Media (formerly Lawson Gems) 7:12 7 years ago 77 161 Скачать Далее
"Fleur de pêcher" - Gem mining stories in Ilakaka , Madagascar, 2019. Field Gemology by Vincent Pardieu 9:29 4 years ago 4 907 Скачать Далее
Gems of Madagascar | Tourmaline, Sapphire, Rubies, and more! Gemstones 5:26 2 years ago 42 061 Скачать Далее
Sapphire mining around Chanthaburi (Thailand) Field Gemology by Vincent Pardieu 4:37 6 years ago 53 545 Скачать Далее
