Albany slip

A slip clay that can produce a very dark brown glaze. Albany slip was mined near Albany, New York. Similar clays from other localities were used by early American potters in making stoneware.Example: Old electrical or telephone wire insulators, clear glaze over Albany slip.Albany Slip is no longer being dug commercially. some potters have tried making substitutes, starting with other clay and adding colorants. Also see ceramics and pottery.