Axe head of finely polished Alpine jadeite, found on the bank of the River Ericht at Rattray, Perthshire, 3800 - 3000 BC

Axe head of Alpine jadeite, from Glenluce, Wigtownshire

Finely polished jadeite axe head, from Caithness

Axe head of finely polished Alpine jadeite, said to have been found in a cist at Lochearnhead, Perthshire

Axe head of finely polished Alpine jadeite, from Comrie Farm, near Drummond Hill, Aberfeldy, 3800 - 3000 BC

Axe head of polished Alpine jadeite, from Cunzierton, Roxburghshire, 3800 - 3000 BC

Fragment of an axe head of polished grey-green Alpine jadeitite, from Cairnholy chambered cairn No.1, Kirkmabreck, Dumfries and Galloway

Miniature axehead of jadeite with two sharp ends, from a lake-dwelling at Robenhausen, Switzerland

Axehead of Alpine jadeite, polished and very thin, found in an earthen dyke at Keir, Stirlingshire, 3800 - 2900 BC

Inro with four compartments, of lacquered wood decorated Shibayama style in mother-of-pearl, steatite, jadeite and tortoiseshell with a cockatiel on a branch, suspended from a stirrup-shaped netsuke of bronze, and held by an ojime of agate: Japan, 19th century

Celt of jadeite: Japan, Musashi province, Mitsusawa shell-mound, Stone Age

Celt of jadeite, broken at butt: Japan, Musashi province, Mitsusawa shell-mound, Stone Age

Bowl of green jadeite, one of a pair: China, Qing Dynasty, 18th century AD

Snuff bottle of dark green jadeite, flattened and pear-shaped with carved sides: China, 18th century AD

Stopper of dark green jadeite with an ivory spoon, the stopper carved with a flower and a bird: China, 18th century AD

Stopper of green jadeite for a white jade snuff bottle: China, 19th century AD