Dating stoneware

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Terms such as "porcellaneous" or "near-porcelain" may be used in such cases.

Since antique crocks are so collectible, there are many reproductions on the market.The following websites are great places to find antique crocks: While you may find the best crock selection online, the weight of these items can make shipping expensive. You can find crocks at antique stores and flea markets, as well as estate sales, auctions, and garage sales. Popular from the 1700s through the 1900s, crocks were useful kitchen staples throughout the United States.Today, they are prized for their simple beauty, which originates in the manufacturing process.Non-refractory fire clays, however, have larger amounts of mica and feldspar.Formulations for stoneware vary considerably, although the vast majority will conform to: plastic fire clays, 0 to 100 percent; ball clays, 0 to 15 percent; quartz, 0 to 30 percent; feldspar and chamotte, 0 to 15 percent.Stoneware clay is often accompanied by impurities such as iron or carbon, giving it a "dirty" look, and its plasticity can vary widely.

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