Gloucester pottery fabric type series

Fabric: Fairly soft, smooth texture except where over-fired when it becomes rough to hard; rough or laminated fracture; up to 7 mm thick and frequently 5 mm. Core is black or grey, surfaces brown or weak red; the outer surface is often darker than the interior. Plentiful angular and plate-like white, calcareous material often incorporating fossil shell, particularly bryozoa giving a distinctive speckled appearance, Rare sub-rounded to rounded quartz grains.
Form: wheel-thrown cooking pots, bowls, spouted bowls; handmade storage jars and possibly bar-lip vessels.
Date: later 9th-11th c
Source: traded / Cambs / St Neots
Bibliography: McCarthy 1979, 156;

TF137: Reference sample