MexicoOnyx, a translucent stone, is composed of crystalline silica. Often found in caves, onyx is formed by the slow flow of cold, carbonated spring water. This unusual pair of large decorative wall panels is painstakingly fashioned from banded calcite (travertine onyx) so that the patterning on one, mirrors the patterning on the other in green and honey-colored calcite. They are softly and glowingly lit from behind. The dramatic concentric banding would create a statement in any interior, electrified. Each measuring 43 x 18 x 5 in (2)