66 COLORADO FERBERITE AND THE WOLFRAMITE SERIES. 



b 



FIGURE 22. Crystal 5, remarkable for its small FIGURE 23. Crystal 6, with rare form ?. Forms: 

 orthopinacoid a{100>. Forms: c{ 100}, ft{010}, c{001}, fc{010}, a{100}, m{110}, ^210>, /{Oil}, 



a{100}, 



FIGTJEE 24. Crystal 9, with rare forms r and d. Forms: c{001>, 6{010}, c{100>, m{110>, Z<210>, d{310>, 

 /{Oil}, f{102}, r{T.0.11}. The form j{610}, not shown in the figure, is also present on this crystal. 



FIGURE 25. Crystal 13, showing the new forms A , B, and 77 and the rare forms n and u. Forms: c{001}, 

 fc{010}, o{100}, 7n{110>, Z{210}, 7i{810},/{011}, {104}, ^102}, #{904}, ^4{337}, ^{112}, w{in}, J5{123}. 



