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Canadian Canada Gems Gemstones Gemology Gemmology Minerals Precious Stones Ruby Mining Geology Education Training Members Membership Professional Courses Diploma Accredited Appraisal Appraiser AG-AIGS - Asian Institute of Gemological Sciences CG-AGS - Certified Gemologist, American Gem Society FGA - Fellow of the Gemmological Association and Gem Testing Laboratory of Great Britain FGAA - Fellow of the Gemmological Association of Australia FGG - Deutsche Gemmologische Gessellschaft GG-GIA - Graduate Gemologist, Gemological Institute of America Sapphire Amethyst Opal Topaz Peridot Aquamarine Tanzanite Citrine Ametrine Garnets Tsavorite Garnet Demantoid Garnet Mandarin Garnet Tourmaline Rubellite Tourmaline Green Tourmaline Paraiba Tourmaline Yellow Tourmaline Blue Tourmaline Multicolored Tourmaline Lapis Lazuli Fancy Sapphires Quartz Zultanite Jade Zircon Iolite Spinel Fire Opal Moonstone Alexandrite Chrysoberyl Kunzite Beryls Morganite Chrome Diopside Andalusite Amber Turquoise Coral Agate Onyx Bloodstone Jasper Pearl Diamond