Watermelon Tourmaline, 1.76 cts., 7.4x5.9 mm., Emerald Shape, Bicolor, Green, Pink, Brazil, NaturalGem: Tourmaline (Watermelon Bicolor) Weight: 1. 76 cts. Size: 7. 46 x 5. 93 mm. Color: Pink, Green Clarity: I Cut: Emerald Locality: Brazil Treatment: None This beautiful Bi color Tourmaline from Brazil is an excellent example of the unique nature of Tourmaline. Multi color gemstones are something remarkable to see in hand that a stone can naturally be multiple colors at the same time. This is caused by the chemistry of the chromophores inside the