What is imperial ironstone china?

Imperial ironstone china is a type of pottery made in the late 19th and early 20th centuries. It was produced by various companies in England, including Mason's, Burgess & Leigh, and Johnson Brothers. The china is known for its durability and strength, as the ironstone material makes it resistant to chipping and cracking. It was often used for utilitarian purposes, such as dinnerware and kitchenware. The designs and patterns on imperial ironstone china vary widely, from simple white or blue designs to intricate floral motifs and landscapes. Today, these pieces are highly collectible and can be found in antique stores and online auctions.