M. JAEGER AND H. HAGA. ON THE SYMMETRY OF THE RÖNTGEN-PATTERNS 

 OF RHOMBIC CRYSTALS. I. 



Fig. /. 

 Anhydrite. Plate parallel to (100). 



Fig.il 

 Anhydrite. Plate parallel to (010). 



Fig. 3. 

 Anhydrite. Plate parallel to (001). 



roceedings of the Acad, of Sciences, Amsterdam, Vol. XVlll. A» 1915/1916. 



Fig. 4. 

 Arrcgonlte. Plate parallel to (100). 



NCLIOTVPE. VAN LEE», AMSTER D^ 



