Natural copper-bearing Paraíba tourmaline in neon blue to green-blue, as loose stones and set in gold jewellery. Paraíba tourmaline is a copper-bearing tourmaline in vivid neon blue to green-blue.
Natural copper-bearing Paraíba tourmaline in neon blue to green-blue, as loose stones and set in gold jewellery. Paraíba tourmaline is a copper-bearing tourmaline in vivid neon blue to green-blue.