Figure in red and white chalcedony of a crane holding a peach spray in its bill: China, 18th century AD

Vase of chalcedony, with two mask and ring handles, and a coiled archaic dragon carved in relief on each side of the body: China, late 19th century

Bowl of red and white chalcedony, leaf-shaped with the exterior carved with leafage: China, early 19th century AD

Vase of mottled blue and brown chalcedony, carved in high relief with a feng-huang or phoenix and a flowering lotus plant: China, 19th century AD

Vase cover of mottled blue and brown chalcedony, carved in high relief with a feng-huang or phoenix and a flowering lotus plant: China, 19th century AD

Bowl of chalcedony with brown markings, underside carved in relief with a lotus branch and a four-clawed dragon or mang: China, 19th century

Flask-shaped scent bottle of milk-white chalcedony: China

Snuff bottle of opaque yellow chalcedony, a four-sided flattened oval shape carved in low relief with water lily leaves and blossom: China, 19th century AD

Snuff bottle of yellow chalcedony, carved in the shape of a Buddha's hand citron (citrus fruit), and with a pink glass stopper: China, 19th century

Stopper of red chalcedony with an ivory spoon, for a mutton-fat jade snuff bottle: China, 19th century AD

Snuff bottle of rock crystal enclosing needles of rutile, engraved with bird design, and with a chalcedony stopper fitted with ivory spoon: China

Snuff bottle of smoky quartz, one side carved from a layer of chalcedony with a lotus plant and a bird: China

Goblet of chalcedony glass with aventurine spots: Italian, Venetian, 17th century

Cover for a goblet of chalcedony glass with aventurine spots: Italian, Venetian, 17th century

Two-handled cup of chalcedony glass: Italian, Venetian

Stone, part of fire-making kit, piece of chalcedony, struck with steel to make sparks: Japan, Hokkaido, Ainu, 19th to early 20th century