His commercial success lies in his chemist’s ability to find a material to carry the form, whether it is inky-black-coloured clay turned into unglazed stoneware, which he calls â˜Basalte, true sterling’, or the milky pastels of jasperware, a vitreous, unglazed 1 Ackermann’s engraving of’Wedgwood’s showrooms in Greek Street. 2, 4 Josiah Wedgwood by Sir Joshua Reynolds, and a portrait of his wife, Sarah, by George Stubbs. 3 ‘”The Apotheosis ofHomer ‘ vase, modelled in black basaltfor this year’s bicentenary, firstproduced in 1786. 5 â˜Slave Medallion’, minted in 1787 in support ofWilliam Wilberforce’s anti-slave-trade campaign. DINING TABLE FOR 96 Jasper bute teacups and saucers, introduced in 1995 to a classical pattern stoneware coloured throughout, or the china that imitates agate, or the Bacchanalian procession in white bas-relief around his urns and platters. As he says of Queen’s Ware, his improved creamware for dinner services and teasets which in 1772 swept gritty red earthenware off the shelves: â˜it is quite new in its appearance, covered with a rich and brilliant glaze, bearing alterations of heat and cold, manufactured with ease and expedition, and consequently cheap.