E S5 ] 



in G&many : It is formed of Cryftal, de- 

 bafed with a fmall Admixture of Earth* 



The Sardonyx is of the Onyx Kind, and 

 is either zoned or tabulated ; it is com- 

 pofed of the true Matter of the Onyx, but 

 variegated with Zones or Plates of that of 

 the red or yellow Cornelian, whence its 

 Name: It is by the Lapidaries divid.d 

 into feveral diftindl Species, and generally 

 found in fuch Parts of the World as pro- 

 duce the Onyx, particularly the warmer 

 and Eaftern Climates. 



In this Table we find alfo many Speci- 

 mens of the different Kinds of Jafpey\ 

 of which fome Account has been given, 

 Page 68. 



And here is a rough Egyptian Pebble^ 

 broke into two Parts ; on each Piece is 

 a perfedl Refemblance of the Head of 

 Chaucer^ as he is ufually painted : This is 

 entirely the Work of Nature, not having 

 been at all affifted by Art. 

 ' Some Pieces of Lapis Lazuli^ or Azure 

 Stone^ by the Ancients called Cyaneus and 



