Rough Paraíba Tourmaline crystal next to a bundle of golden Sisal fiber.

Paraíba Tourmaline and Sisal: Brazil’s Hidden Treasures

Introduction Did you know that one specific Brazilian state produces both the world’s rarest neon-blue gemstones and its toughest agricultural fibers? Paraíba Tourmaline and Sisal represent the unique duality of the Paraíba state in northeastern Brazil. On one hand, it yields a gemstone that glows with such intensity it looks like it is plugged into electricity. On […]

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