One oval cabochon of blue/brown Biggs jasper from OR, size 30mm x 40mm. Patterns of this very rare picture rock show blue and brown shading contrast with mountains or hills and also some dendrites. Remember, each cabochon will vary and may or may not contain dendrites. Jewelry findings for a 30mm x 40mm cabochon are easily purchased. Set this blue brown Biggs in a silver setting for a spectacular jewelry item.