Sierra agate is a natural gemstone mined in the Xinjiang province of western China. The stone has warm natural color tones and is composed of green and brown jasper, marbled with pockets of chalcedony. Focal component can contain natural pitting and fissures. Sizes, shapes and colors may vary with handcrafted items.
Donuts>Grade B>Sierra AgateCharms, Pendants and Drops>Donuts & Go-Gos>DonutsGrade BSierra AgateMulti-coloredSquareNaturalhttp://www.firemountaingems.com/itemdetails/h209309nbH209309NBFocal, Sierra agate (natural), 50x50mm hand-cut square donut, B grade, Mohs hardness 6-1/2 to 7. Sold individually.//image1.fmgstatic.com/images/p9309nbb(3).jpg12.5512.55As Low As $6.09 per donut