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fome Meafure to refemble a Serpent's Skin; 

 they knew three Kinds, the black, the 

 white, and the grey, we know befides 

 thefe two others, a greyifh brown one with 

 green Spots, and a pale grey one with 

 green Spots and Veins. 



The Nephritic Stone is of a greenifli 

 Colour bordering on the Olive, but fome- 

 times variegated with white, black, or 

 yellow, it has never any red in it, and is , 

 harder than moft other Jafpcrs ; a Cup 

 made of this Stone, was Sold for 1600 

 Crowns in the Time of the Emperor Ru- 

 dolphus II. This kind of Jafper is in 

 great efteem among the TtirkSy who ap- 

 ply it to feveral curious Ufes, particularly 

 they make of it Handles for their Sabres, 

 Kniyes, Daggers, ^^c, 



A plate of this Stone was formerly 

 thought to be an immediate Cure for the 

 Nephritic Colic, on being applied to the 

 Reins j and it was alfo imagined that 

 wearing it would preferve the Party from 

 the Attack of that Diftemper. 



We 



