TALCOSE SCHIST. 297 



This variety passes into serpentine, and is 

 enumerated under that head. 



SECOND DIVISION. 

 Compound: of two ingredients. 



A. Talc, and quartz : foliated ; the quartz vari- 

 ously disposed, and the rock bearing a general analogy 

 to micaceous schist, into which it passes. 



B. Talc, and foliated, or scaly, chlorite : passing 

 Into chlorite schist. 



C. Talc, and felspar. 



D. Talc and argillaceous schist : passing into 

 common clay slate, and enumerated also under that 

 head. 



E. Talc, and serpentine ; passing into serpentine. 



THIRD DIVISION. 



Compound : of three ingredients. 



. 



A. Talc, quartz, and felspar. 



B. Talc, quartz, and mica. 



The following minerals occur in talcose schist. 



Asbestos. Automalite. 



Actinolite. Chromat of iron. 



Cyauite. Pyrites. 



Diallage. Staurotide. 



