Paraiba Tourmaline – A unique spectrum for a rare gem
November 04: Paraiba Tourmaline is famous for its broad blue-green spectrum and surprisingly, it’s more expensive than many gems on the market. It can fetch up to $100,000 per carat. The equally famous “neon blue” and other colours are apparent even in the raw stones. This colour range is one of the reasons for Paraiba […]
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