Picture Sandstone | Arizona Sierra star Such stones are known as

Such stones are known as banded agate

semicircular cephalon (head shield) has a clearly defined glabella that narrows toward the front

it took on the shape of the fibrous mineral

Vereinigung

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Picture Sandstone | Arizona Sierra star Such stones are known asArizona 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. 4. 25" x 4" 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