jasper-opal

(jas’pér-0”pal), n. An impure va- riety of the common opal, containing some yellow iron oxid and haying the color of yellow jasper. Also called jasp-opal and opal-jasper. jasper-ware (jas’pér-war), ». A kind of pottery invented by Josiah Wedgwood, and deseribed by him as ‘‘a white terra-cotta” and as “a white poreelain bisque (biscuit).” This paste was used by Wedgwood for his most delicate work, especially for the small reliefs called “‘cameos ” with which he ornamented his finest vases, etc., and which were also made aeaeaa _for setting in jewelry. Also called cameo-ware,