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2.8" 369ct WATERMELON TOURMALINE Polished Green & Red Gem Slice -Brazil

Watermelon tourmaline. Tourmaline is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. The name comes from the Sinhalese word "Thuramali" or "Thoramalli", derived from different gemstones found in Sri Lanka. [Wikipedia]