70 Elements of Mineralogy. 



the green Verde di Suza ; but thefe names are 

 not reftrained to this fpecies. 



2. Serpentine with veins or fpots of Gyp- 

 fum. 



SPECIES III, 



Compounds of the Muriatic and Barytic 

 Species, 



I. VARIETY. 



Serpentine with veins or fpots of barofele-> 

 nite. 



SPECIES IV. 



Compounds of the Muriatic and Argillaceous 

 Species. 



I. VARIETY. 



I. Steatites mixed with a notable propor- 

 tion of indurated Clay. It is lefs foft to the 

 touch, and fomething harder than the pure 

 fteatites : its colour is grey or greenifh brown : 

 it frequently contains alfo mica or talc, anc} 

 fometimes a notable proportion of iron, and 

 then it is red. The talcofe is frequently cal- 

 led French chalk, or Cyaie de Brian f on. 



2. Steatites., 



