A complex example of the bright Agates of Rancho Agua Nueva. This small polished agate geode half is concentric to its core, not translucent and has yet to hypnotize passers by. Ex. Paul C. Cowan Collection  Rancho Agua Nueva, Sierra del Gallego, Ahumada Municipality, Chihuahua, Mexico. 1.8" x .5" x 1.4", .9 oz.