Loose watermelon tourmalines 55.5 ct

Tourmaline has become one of the most popular of all colored gemstones. Buyers are attracted by its huge choice of colors and its very good gemstone characteristics — tourmaline is reasonably hard (7 to 7.5 on the Mohs hardness scale), and durable enough for all kinds of jewelry
The most famous multi-color tourmalines are referred to in the trade as watermelon tourmaline, since they combine pink or red with green, sometimes with a thin white area separating the colors. Sometimes these watermelon tourmalines are cut as slices, with a pink core and a green rim. Clean material is usually faceted in long rectangular shapes, with an emerald or scissor cut. Note that the term watermelon tourmaline is mainly a trade name, and reports from gemological laboratories will typically identify these stones as “bi-color tourmaline.”