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The Eaft India Agates are much finer than 

 thoie of Bohemia^ America^ or any other 

 Part of the World. Among the moft 

 curious of the Specimens in this Place, 

 are two Pendant fet in Form of a 

 Heart, each having by Nature delineated 

 on it a tolerable Reprefentation of an 

 Eclipfe, one of the Sun, the other of the 

 Moon : Their Drops are Onyxes. 



The Onyx is a femi-tranfparent Stone of 

 the Agate Kind, (often imitated by the 

 Lapidaries with Agate) it has various co- 

 loured Zones, but none red ; and is com- 

 pofed either of a Number of flat Plates, or 

 of a. Series of Coats round a central Nu- 

 cleus : The Lapidaries fhevv their Inge- 

 nuity in contriving to cut them in fuch 

 a Manner, as to have Figures or Hiftories 

 on them in BafTo Relievo, with the Ground 

 of a different Colour : Thefe Pieces of 

 Sculpture are called Cameos, The Onyx is 

 found in feveral Parts of the Eaft Indies^ 

 \n Mexico J Italy ^ Bohemia^ and many Places 



in 



