Explanatory notes
… Soft porcelain contains less alumina but more silica and fluxes (e.g., feldspar). Bone china, which contains less … Earthenware, etc., is made from finely sieved clays mixed with water. It has a fine-grained body obtained by … by shaping and firing powdered steatite, etc., generally mixed with clay (e.g., kaolins), feldspar, etc., but it …
