Paraiba Tourmaline Color Chart

Paraiba Tourmaline Color Chart – Paraíba’s neon blue hues stunned the gem world in the 1980s. You can identify a paraiba by its color. Tourmaline comes in a range of colors, patterns, and effects (like watermelon tourmaline, chrome tourmaline, black. Paraíba tourmalines are copper bearing elbaite tourmaline that are neon to electric blue, intense green, and vivid purple to violet in color.

It probably boils down to the same pillars of fine. Read about the quality factors for this striking gem in our paraíba tourmaline buying guide. Heitor dimas barbosa headed up a. Gemstone 101 what exactly is it about exotic gemstones that makes them so alluring?

Paraiba Tourmaline Color Chart

How to identify paraiba tourmaline. Tourmaline that displays three or more distinct colors;. Home market value charts data on tourmaline paraiba is available for subscribers only.

It is one of the rarest gemstones in the world. Home gemstones fine jewelry custom newest arrivals paraiba tourmaline paraiba tourmaline properties mineral : Emerald green, turquoise to sky blue, sapphire blue,.

Although buyers covet all these colors, blue and violet have the most appeal. How to identify paraíba tourmaline: In the paraiba tourmaline, the interplay between these two elements gives rise to a variety of fascinatingly beautiful colours:

Neon blue, neon green, blue. They have a refractive index (ri) of 1.603 to 1.655 and specific gravity (sg) of 2.84 to 3.10. They have a high birefringence of 0.013 to 0.024, so you’ll almost always see doubling with your loupe.

Paraiba Tourmaline A Unique Spectrum for a Rare Gem