loo Elements of Mineralogy. 



which 1 8 parts of oil were extracted by dif- 

 tillation, alfo argill, and magnefia, and 6 

 parts of iron, befides much that was not fe- 

 parated. 12 Roz. 63. 



SPECIES III. 



Compounds of the Argillaceous and Barytical 

 Genus. 



SPECIES IV. 



Compounds of the Argillaceous and Muriatic 

 Genus. 



I. VARIETY. 



Shiftus mixed with Steatites or Soap~rock* 



II. VARIETY. 

 Shiftus mixed 'with Serpentine, 



III. VARIETY. 

 ISornftone mixed with Mica and Serpentine. 



IV. VARIETY. 



JSornflone i&xed with Mica and Steatites* or 

 Soap-nock. 



V. VARIETY. 



