Blue Tourmaline, 0.81 ct Faceted from Congo democratic republic

This tourmaline shows a blue-green one way and more of a neon greenish blue the other. It's a little darker in person than in the picture, but not overly dark. Color: Blue-Green, Cut: Fancy Princess, Weight: 0.81, Dimensions: 4.86mm. (Information supplied by photo contributor.) © Daniel Stair, CustomGemstones.com

Credit: Daniel Stair, CustomGemstones.com 2014