"Argillaceous" Quotes from Famous Books
 ... with the character of the vessel constructed. Generally the paste consists of a matrix of fine clay tempered with finely pulverized sand, in which may be detected grains of quartz, feldspar, hornblende, augite, particles of iron oxide, &c. Argillaceous matter has been sparingly used, the sand in many cases comprising at least 75 per cent. of the mass. Many of the unpainted specimens, from which the polished slip has been removed, give off showers of fine sand when rubbed by the hand, and it is difficult ...
— Ancient art of the province of Chiriqui, Colombia • William Henry Holmes |
