Tufa Cast Buckle by award winning artist Gerald Lomaventema. This buckle was created using the Tufa Cast method. Tufa, a volcanic stone, is intricately carved to provide the mold for molten silver. The buckle contains 2 Lander turquoise stones as well as coral, onyx, purple spondylis and orange spondylis. Gerald is a relatively young Hopi artists who has won numerous awards for his Tufa cast jewelry. A one of a kind piece!