陶土,又称陶泥,是烧制陶瓷器的原料,即用于烧制陶器、炻器和瓷器的高岭土[1]。颜色不纯,为黄褐色、灰白色、红紫色等色混杂而成。含有铁质,具吸水性和吸附性,加水后具可塑性。矿物成分复杂,主要由高岭石、水白云母、蒙脱石、石英和长石组成。颗粒大小不一致,常含砂粒、粉砂和粘土等物质。
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