One oval cabochon of antelope jasper picture rock from Oregon, size 22mm x 30mm. (G.O. cab). Colors of antelope jasper cabs will be burnt reds to rose with browns, or may also include cream, tan, etc. Antelope jasper cabochons are polished and ready to set in jewelry findings. The 22mm x 30mm size is a common jewelry finding or setting for cabochons and will be available at many lapidary supply outlets. Check for " Jewelry Findings" on the web.