Angel Wing Agate Tubes Angel Wing Agate From the North Cady Mountains in San Bernardino County Calif. Agate was not polished but cut on one side to show more detail and wet for pictures. Agate does not show depth. Measures about 5" x 4" x 2.5". Weighs about 2 lb 5 Oz. Looks like a lava flow with 3 different tubes.