fart iV^ of the Earth. 'tfj 



tip by Lapidaries J there are not above 

 three or tour that are Original ; theit 

 iDiverfities, as to Luftre, Colour, and 

 Hardnefs, aHfing from the different 

 Admixture of other adventitious Mi- 

 neral Matter. But the farther and 

 clearer Adjuftment of this Affair I am 

 conftrained td adjourn to the larger 

 Treatiie. 



In the mean time 'tis fufficient for 

 my prfefbnt Defign, to remark in gene- 

 tal, that thofe Minerals md Ores of 

 Metalls vi^hich are repofited in the Bo- 

 dies of the Strata^ are either found iri 

 Grains^ dr friiall Particles, difperfedly 

 intermixed w^ith the Corpufcles of 

 Earth, Sand, or other Matter of rhofd 

 Strata : or elfe they are amafs'd into 

 Balls, LumpSj or Nodules. Which No- 

 dules are either of an irregular and un- 

 certain Figure, fuch as are the common 

 Pyrita : f lints ^ Agatts^ Onyx s : Pebles, 

 Cornelions^ Jafpers^ and the like : or of 

 a Figure fornewhat more regular and 

 obfervable, fuch as the Belemn/tes : the 

 feveral forts of Mineral Coraly of the 

 Stekchites, and of the Lapis Mycetoides j j : W ^^g^riy^ 

 the Jftroiies, or Surry Stone, a$ welljfjf^^'' 

 that Ibrt with the Prominent^ as that 

 #ich the Concave Stars : the Selenites : 



■ N th^ 



