In order to show the strength and vitality of the clay, therefore, they do not use a glaze . . . she works with pottery clay and forms with a quick twist technique.
12.
The x-ray diffraction of a sample from an unfired lump of pottery clay excavated at the Zebree ( 3MS20 ) site confirmed that the shell was burned before being added to the raw clay.
13.
The water was periodically decanted until a stiff cake, of the consistency of pottery clay, was left . This was sliced up, discarding the coarse material at the bottom, and burned in the kiln.
14.
The most noticeable difference between porcelain and the other pottery clays is that it " wets " very quickly ( that is, added water has a noticeably greater effect on the plasticity for porcelain than other clays ), and that it tends to continue to " move " longer than other clays, requiring experience in handling to attain optimum results.
