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Paraíba tourmalines are a rare and highly prized gemstone variety that are known for their intense blue-green color. The name comes from the Brazilian state of Paraíba, where they were first discovered.

Color:

• Paraíba tourmalines are known for their vibrant blue-green to greenish-blue colors

• The color is due to trace amounts of copper and manganese in the crystal structure

• The saturation level of the color can range from "moderately strong" to "vivid"

Rarity:

• Paraíba tourmalines are very rare, with only one mined for every 10,000 diamonds

• Genuine specimens are found in only a few locations worldwide, including Brazil, Nigeria, and Mozambique

Cutting:

• Natural Paraíba tourmalines need to be cut to make them market-worthy

• Cutters often cut Paraíba tourmalines as ovals to reduce wastage