CHLORITE SCHIST. 289 



SYNOPSIS OF CHLORITE SCHIST. 



FIRST DIVISION. 

 Simple : of chlorite only. 



A. Foliated chlorite; plain, or undulated; with 

 minute, or with large undulations. 



The lustre is sometimes considerable ; being 

 silky, or even pseudo-metallic. The colour 

 varies from dark to very pale sea-green. 



SECOND DIVISION. 

 Compound : of two ingredients. 



FIRST SUBDIVISION. Foliated or simple laminar 

 and alternating. 



A. Foliated chlorite with laminar quartz. 



B. Foliated chlorite with granular quartz. , 



C. Foliated chlorite with laminar felspar. 



D. Foliated chlorite with grains or imperfect crys- 

 tals of felspar disposed in a laminar manner. 



