Join GIA’s recent field expedition to the ruby rush in Madagascar’s Zahamena National Park.
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Go onsite to Zambia’s emerald mines with GIA’s field gemology team.
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See inside the world’s most productive ruby mining operation with GIA’s field gemology team.
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Tour one of the world’s most active sapphire mining areas—the island of Madagascar—with GIA’s field gemologist Vincent Pardieu.
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Visit gem mining areas in Madagascar, Kenya, Tanzania, Zambia and Mozambique with GIA’s field gemologists.
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Australia is the most famous source of opals in the world. The black opals from Lightning Ridge are the most valuable opals ever produced. Journey with us on this expedition to the Australian outback to see how these rugged individuals mine opals and why they chase the rainbow of color.
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A first-person account of diamond mining in Minas Gerais, Brazil, which has been a source since the early 1700s.
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A field expedition is about the gems, the place they are mined from and the people who mine them.
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