429 



Green Tourmaline (Brazil). 



Green Tourmaline (Haddam, Conn.) 



Cross Section of Green Tourmaline (Cal.) 



TOURMALINE. 

 Red Tourmaline or Rubelllte (Island of Elba). 

 Brown Tourmaline (Gouverneur, N. Y.) 

 Red Tourmaline or Rubellite in Lepldolite (Cal.) 



OPyNieHT 1»01, BY A. W. HUUFOR^ 



Black Tourmaline (Finland). 



