141. The president Goguet (Oirgine des Loix, etc., tom. ii.
p. 239) is of opinion that the stupendous pieces of emerald,
the statues and columns which antiquity has placed in Egypt,
at Gades, at Constantinople, were in reality artificial
composions of coloured glass. The famous emerald dish which
is shown at Genoa is supposed to countenance the suspicion.