Entries by CAI ICIA

Paraíba

Paraíba tourmaline is one of the most sought-after and vibrant varieties of tourmaline, known for its stunning neon blue to greenish-blue colors. This gemstone is highly prized for its rarity, […]

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Tourmaline

Tourmaline, or tourmaline, is a general term for gem-quality tourmaline, and here’s a detailed introduction to tourmaline: chemical composition Tourmaline has an extremely complex chemical composition and is a boron-containing […]