Kaolin or china clay.
Kaolin, clay.
Kaolin clay.
Kaolin white washed (china clay).
Kaolin clay.
Kaolin and feldspar.
Kaolin clay.
Kaolin ball clay.
Kaolin white washed (china clay).
Calcined kaolin clay, clay, kaolin.
Washed kaolin clay.
China clay, kaolin.
Ball clay and kaolin clay.
Ball clay and kaolin clay.
Kaolin and clay.
Kaolin clay, ball clay.
Kaolin clay.
Kaolin clay.
Ball clay and kaolin.
Crude kaolin clay.