terra alba

a fine usually white clay formed by the weathering of aluminous minerals (as feldspar)

一种由铝质矿物（如长石）风化而成的通常为白色的细粘土

used in ceramics and as an absorbent and as a filler (e.g., in paper)

用于陶瓷中，用作吸收剂和填料（例如，在纸中）

china clay

china stone

lin

line

porcelain clay

fine white clay used in making tobacco pipes and pottery and in whitening leather

细白土，用于制造烟斗、陶器和漂白皮革

pipeclay

finely pulverized gypsum used especially as a pigment

细粉石膏，尤指用作颜料