The affected classicism of the Republic and First Empire stimulated the use of engraved gems. Far from cameos and the less decorative intaglios being considered out of place with fine precious stones, they often occupied positions of honour, surrounded and mounted occasionally with important diamonds. In the majority of cases, however, they were used alone and were made up into special ornaments by themselves. Antiques were worn when procurable, but the greater number of gems were of modern manufacture, carefully studied both as regards technique and style from ancient examples. Somewhat later, small mosaics, on which were figured classical subjects or buildings of ancient Rome, were also employed. These, together with cameos, generally on shell, were produced in quantities, particularly in Italy, where cameo cutters and mosaic workers still carry on a somewhat languishing trade in ornaments of this nature, Venice, Florence, and Rome sharing in the industry of mosaic jewellery; Rome, Naples, and the whole of Southern Italy in that of cameos. The production of both kinds of objects is now in a sterilised condition. They have entirely lost their earlier qualities, for the reason that they find but little favour and have ceased to be worn by the upper classes. Except during the height of the First Empire the fashion for engraved gems never took a very thorough hold. Ladies have seldom a taste for archæology. If a few, in accordance with the current idea, affected a sober and refined style of ornament, the majority soon wearied of the burden of cameos in the necklace and bracelet, and preferred sparkling stones to the delicate cutting of the gem. The general and instinctive preference for brilliant jewels did more than anything to kill the attempted employment of antique forms and designs. As regards technique, the metal-work of the early nineteenth century generally displayed considerable poverty of material. The gold, if not pinchbeck imitation, was usually thin, light, and of low quality, with simple designs in the form of clusters of grapes. Borders of leaves and flowers in the antique style were stamped and chased sometimes in open-work, with small rose-shaped ornaments applied. Granulated, beaded, and purled work was much employed, and the surface of the metal was often matted. Artistic effect in chased work was produced by the use of ornamental inlays, or rather overlays, of coloured gold.