CLAYS OF GLOUCESTER COUNTY. 423 



talc-like clay which underlies the Alloway clay. A sample was 

 tested with the following results : Water required for tempering, 

 38.5 per cent. ; air shrinkage, 5 per cent. ; tensile strength not 

 tested, probably very low. It gave the following results when 

 burned : 



Burning tests of a talc-like clay, near H arris onville. 



05 1 5 



Fire shrinkage i% 3% 3% 



Color, ' whitish pinkish buff light buff 



Condition, not steel-hard not steel-hard nearly steel-hard 



Absorption, 28.73% 24.65% 20.61% 



Both the Alloway clay and this talc-like clay are discussed more 

 at length in connection with the clays of Salem county. 



Clay-working Industry. 



There is only one brickyard in Gloucester county, viz., the one 

 mentioned south of Woodbury. Aside from this there are no 

 clay-working plants in the county. 



