Crozzle

Crozzles, burrs and clinkers are bricks which have partly lost their shape through overheating.

Excessive heating in the kiln may produce misshapen bricks known as crozzles.

When a brick is roasted, the duration of heating should be proper and even to avoid place brick or crozzle.

The furnace was again entered, and the crust to the chests broken down; it had partially vitrified and had absorbed iron oxide and was removed in black, craggy pieces, often referred to as 'crozzle' - still sometimes to be found as a capping to walls in the vicinity of the old furnaces.

With or without her knowledge, with or without her consent, with or without her effort, she would sail onwards, away from Breaseborough, away from the smoke and the grime and the slag and the crozzle, away from stifling Dora, away from the hot fevered hours of study, away from the condescension of Gertrude Wadsworth and the rationed contempt of Miss Strachey, away from that snub about Mary Anning and the fossil bones.

The topping of stone walls all around the Sheffield area, which looks like large, crude, black lumps of Aero chocolate, is in fact furnace slag mostly from cementation furnaces. It has its own dialect name – crozzle.

Between the ammonoid bands are three horizons of highly sheared mudstone resembling the 'crozzle' beds described by Cope (1946) at a similar stratigraphical level west of Buxton, and known also in Lancashire.

Gaston de Mowbray ground his hair in powder, and tore his teeth out in handfuls; his breath gushed forth with that icy coldness as to crozzle up the table before which he sat into a cinder; he paces the room to such an extent, that the past hung in penny cakes all over the apartment.