pyf^m. 



la. 



2fi. 



4 a. 







3 a. 



4., 



1 Topaz, blue ory«tol (Urals). mVI»9^m!f^r^V%^\^^^ 1"-^ yellow orystel (Bnuil). 2a. The 

 i,Je ou 3. To7«^, ile y«ll<»^ <*^^^ (Saxony). ^ &e same, cut 4. Topaa, roBe-red crystal 

 same, ou r ^'^^^.j^ ^^ jj^^ ^^^^^ ^^t S.^Euclase, orystol (Branl). 



