Symbol 





Symliol 





Symbol 



des 



Symmorphe Systeme 



des 



Hemisymmorphe Systeme 



des 



Systems 





Systems 





Systems 



584 



Asymmorpbe Systeme „„™™„„ 



^ -^ sammen 



S 3 



20. Hexagonal-skalenoedrische Symmetrieart (^i/ = n'^+'' b ; y^=n"-'b^-^ 2/j=w"Z>„^„a). 

 14a. +A, +ü^|», +2?'i Ual. + « 3' +-^ 3 ' +^i° ^^'""^ 



15a. +;., +;.o, +/.0 15al. + a -|, +;.o, +Ao 



16a. +F^,+f|^+J^| 16al. +F^-+a^,+i'^|«,+F| 6 



I! G 



21. Hexagonal-pyramidale Symmetrieart (y:^h; i/^ = h^-^ y^=:h^^i). 



17. +A, +;.o, +^ keine (28). +«-^, +^0, +^ 



(29)u. (30). ±«^, +^, +^>o 



(31)u. (32). ±v^, +Xo, +'^0 6 



b 



6 6 



22. Dibexagonal-pyramidaie Symmetrieart (?/i=&; p^^^i^-^ y^ = ^v-\-n'p)- 



n<p. +1, +io,+h n,;.i. +9^1-, +^0, +^'0 28(<?>i). +«^|,+;.o, io 



28(9^2). +(« + 9^)|, +;.o, +Ao 4 



6 S 



23. Trigonal-bipyramidale Symmetrieart (^y==n^b; ^Q^^^hj^; ^j ^ &.t+i). 



12. TT. +/'-, +'^0. +■'■0 keine keine 1 



6 6 



24. Hexagonal-bipyramidale Symmetrieart (y = n>'-b; y^ = b„] ^j = &«+i). 

 17/. +^-, +^, +^-0 keine 28(;cl)- +«-^. +^, +^0 2 



r, 6 



25. Hexagonal-trapezoedrische Symmetrieart (y = n''b; ^g==&„; ^|=?^„^„ä). 



18. +;., +;.o, +;.„ -_ keine (33). +«|, +/o, +4 



(34)u. (35). ±^|, +Ao, +^0 



(36)u. (37). ±i'4- +^'0, +^'0 6 



o 



6 6 



26. Ditrigonal-bipyramidale Symmetrieart (y = n^+''b; y^ = b„'i !/ i =^ b^^nk). 

 Un. +;., +f'^, +F^f Uni. +^|, +F^, +F^" keine 



15jr. +;., +2o, +/'.o 157rl. +:^^, +io, +^0 . 4 



27. Dihexagonal-bipyramidale Symmetrieart (?/ = «''+/ Z^; v/qC=&„; ^/j = ^!;4-n'•)• 

 18/. +^., +/o, +^ 18/1. +z|, +;^o, +^ 33(/l). +1'-^, +I0, +^'0 



33(/2). +(«+/) -^, +;.ü, +;>o 4 



21 ^ [ TÖ 21 52~ 



