Great Tourmaline with top Green color. It's rare to find a Tourmaline with pure Green color like this. Most often, Tourmalines come in Olive tones. Pure green Tourmalines like this, also known as Chrome Green, are worth quite a bit more than the olive toned stones. Natural and untreated. For Proxibid bidders, shipping is a flat rate of $6, no matter how many lots won. For Live Auctioneers bidders, shipping will be calculated automatically by Live Shipping and all winnings will be combined into a single package for one low rate.