Jasperware Jasperware Jasperware, or jasper ware, is a type of pottery first developed by Josiah Wedgwood in the 1770s. Usually described as stoneware, it has an unglazed matt "biscuit" finish and is produced in a number of different colours, of which the most common and best known is a pale blue that has become known as Wedgwood Blue. Relief decorations in contrasting colours (typically in white but also in other colours) are characteristic of jasperware, giving a cameo effect. The reliefs are produced in moulds and applied to the ware as sprigs. After several years of experiments, Wedgwood began to sell
Bonaparte Pottery Archeological District are associated with the lumberyard that took over the site after the pottery closed. They were built after the period of historical significance. While modest in size compared with Red Wing Pottery in Minnesota and Western Stoneware in Illinois, Bonaparte Pottery was mid-sized operation associated with the pottery industry in Iowa. Pottery had a significant economic impact on the state from the mid to the late 19th-century. The Des Moines River Valley had the greatest concentration of potteries in the state because of the abundant coal deposits located there. Fire clay, which is used to manufacture ceramics, was a by-product