42y 



Green Tourmaline (Brazil). 



Green Tourmaline (Haddam, Conn.) 



Cross Section of Green Tourmaline (Oal.) 



TOURMALINE. 



Red Tourmaline or Rubellite (Island of Elba). 



Brown Tourmaline (Gouverneur, N. Y.) 



Red Tourmaline or Rubellite in Lepidolite (Cal.) 



OPmiSHT 1801. BV A. w. mumforo, CMIC*Gu 



Black Tourmaline (Finland). 



