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  2. Millennium Sapphire - Wikipedia

    en.wikipedia.org/wiki/Millennium_Sapphire

    Award-winning Italian artist and jewelry designer, Alessio Boschi, was chosen and the Millennium Sapphire project was born. Alessio Boschi rigorously researched subjects for the project and selected 134 representations of important individuals and milestones in human history. Several of the stone’s carvings also reflect its origin in Madagascar.

  3. Mining industry of Madagascar - Wikipedia

    en.wikipedia.org/wiki/Mining_industry_of_Madagascar

    The EITI believes this because of the significant portion of illegal exports of gold. Looking into the future, the Plan d'action Madagascar 2007-2012 predicts that the mining proportion of the GDP will increase to 30% as Madagascar shifts from a mainly artisanal and small-scale based mining industry to a large-scale public-private industry. [12]

  4. Spessartine - Wikipedia

    en.wikipedia.org/wiki/Spessartine

    Sources include Australia, Myanmar, India, Afghanistan, Israel, Madagascar, Namibia, Nigeria, Mozambique, Tanzania and the United States. [2] Spessartine of an orange-yellow has been called Mandarin garnet and is found in Madagascar. Violet-red spessartines are found in rhyolites in Colorado and Maine. In Madagascar, spessartines are exploited ...

  5. Morganite (gem) - Wikipedia

    en.wikipedia.org/wiki/Morganite_(gem)

    Following the discovery of a new locality for rose beryl in Madagascar in 1910, George Kunz proposed the name morganite at a meeting of the New York Academy of Sciences on 5 December 1910 to honour his friend and customer J.P. Morgan [6] [7] for his financial support for the arts and sciences, and his important gifts of gems to the American Museum of Natural History in New York and to the ...

  6. Beryl - Wikipedia

    en.wikipedia.org/wiki/Beryl

    As of 1999, the world's largest known naturally occurring crystal of any mineral is a crystal of beryl from Malakialina, Madagascar, 18 m (59 ft) long and 3.5 m (11 ft) in diameter, and weighing 380,000 kg (840,000 lb). [13]

  7. Geology of Madagascar - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Madagascar

    Madagascar is the world's leading producer of many colored gemstones, including sapphires, rubies, multi-coloured tourmalines, emeralds, amethysts, cordierites, aquamarines and garnets. Madagascar is also a major source of graphite, making it the second-largest producer in Africa.

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