L ^7 ] 



bouring Mine) are ranked among the 

 lower prized Gems. 



Agates are cut and polillied Stones of 

 the nneft Kind of Flints, generally found 

 in the Eaftern and warmer Climates they 

 vary much in Colour, and were called 

 Achates from a River in Sicily of that 

 Name, on the Banks of which they were, 

 as it is fuppofed firft found. 



A particular Kind of Agates, that have 

 by Nature delineated on them lively Re- 

 prefentations of Moffes, Shrubs, Treesj 

 Landfcapes, or other Figures, are com- 

 monly called Mocoes^ and deemed of more 

 Value than the others. 



Cornelians are another Species of Flint, 

 for the moft part of a pale red or yellow- 

 ilh Colour. ^ This kind of Stone is but 

 little tranfparent, yet takes a fine Polilli , 

 it was formerly veiy much ufed for mak- 

 ing Cups, Boxes, £5?<r. and often for 

 Thumb Rings, being then finely cut and 

 poiiftied : it is now in great Eileem for 

 engraving. Seals, i^c. It is faid thefe 



Stones 



