44 



those ashes most conveniently. Scotland and Wales have 

 a satiny variety which runs in veins among Serpentines, 

 and sometimes among a kind of Steatite. It varies in co- 

 lour, but is most frequently white, satiny, and so much re- 

 sembling silk that there can be no better comparison. It 

 separates into silky filaments, of equal flexibility and fineness 

 with the most attenuated thread, insomuch that they ap- 

 pear to divide beyond our power of examination. They 

 seem solid, as do the filaments of all stones of this nature. 



