Of Watermelon Tourmaline (Watermelon)

As the name suggests, the internal tourmaline red or pink, green outside, red flesh of watermelon as the Green Paper, which is called watermelon tourmaline tourmaline. Xi is often seen in the rice in the same crystal in two colors, but not all, known as watermelon tourmaline, watermelon tourmaline really must be clear and bright pink or green border each transition, the transition if the two colors are not distinctive, expert called "end-color" rather than genuine watermelon tourmaline. Quality of watermelon tourmaline is also in the international market darling rare.