Uploaded August 2026 | Updated September 2026, 2 days ago

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Madagascar is one of the most geologically diverse gemstone sources on Earth.

Its complex geology has created more than 80 gem varieties, including sapphire and rare grandidierite and liddicoatite, making the island a vital supplier to the global gem market and a continuing source of exciting discoveries for gemologists and collectors alike.

Which Madagascar gem is your favorite?