Picture Sandstone | Arizona Sierra Bumble Species varied in size from

Species varied in size from 1 to 20 meters (3 to 66 ft)

Weight approx: 4

and an educational label about Woolly Mammoths

and vacuum air ventilation

Picture Sandstone | Arizona Sierra Bumble Species varied in size fromArizona Sierra is found in Northern Arizona. The design patterns are natural. Its color is achieved by heat treating the stone. This causes the iron oxides found naturally in the stone to oxide, the richer the iron the deeper the color. Measures approx. 5" x 3" x 0. 5" This is natural sandstone, formed 180 to 220 million years ago by wind and water as part of the geological formation "Shinarump." The colors and designs were induced by a mineral spring