Gemstone exotics collection 3" lockback knife. Kingman blue and green turquoise and obsidian from Arizona; abalone from the Baja, bronze and zinc from mother earth. Functional, beautiful and of the highest quality. Introducing the Hot Springs: Natural Hot Springs from the North Sea that have built up mineral deposits over eons, then stabilized with various colors like Black, Blue, Red and Green. This beautiful natural occurring material is accented with Abalone and Mother of Pearl for a truly seaworthy knife handle.