18th Century Carved from one end of a much larger boulder of nephrite jade and covered almost entirely with a dark brown skin thinning in color to reveal the olive-green stone beneath, particularly in the carved areas, the stone of vertical oblong profile with one corner edge deeply cut with a small mountain niche centered by the robed and seated, bearded and moustached, louhan Bodhidharma, with eyes closed in meditation, his head covered by a cowl, a waterfall cut from a natural fissure in the stone runs nearby and continues under the grotto where he sits, the surrounding craggy rock faces are variously carved in low and high relief with knotty branches with hanging vines and wutong and pine dispersed to the reverse side. 7in (17.7cm) high