C. U. Shepard—Corundum of N. Carolina and Georgia, 118 
It is that variety of chlorite properly called ripidolite. Much 
of it, even to a depth of 50 feet at the Culsagee mine, assumes 
slightly coherent condition of the vermiculite where it happens 
to prevail in the workings, renders the separation of the corun- 
ral, b 
fusibility before the blowpipe. Into this aggregate small scales 
Cons from Henderson Co., N. G., as to have caused them at 
first to be referred to that species. This coating has about the 
hardness of steatite or agalmatolite, and probably also a com- 
variety of corundum differs considerably from that of the region 
8enerally. It is less perfectly crystallized, and has a delicate 
Am. Jour. Sor,—Turep Serres, Vor. IV, No. 20.—Avausr, 1872. : 
8 
