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Rough Gems and Mineral Specimens. IGS is a Godsend for me! Charlie Bernheiser, IGS Member. Thank you for the fantastic adventure! John Parrot, IGS Member. Ways to Start Your Gemology Education. Hundreds of free articles on the science, identification and techniques of gemology. Enroll in our professional gemologist certification course and learn new skills today! Join Our Thriving Community.
تغییر آدرس ایمیل و یاهو آی دی.
Cardiff Comic and Animation Expo 2012.