. M. JAEGER AND Prof. H. HAGA: RONTGENPATTERNS OF ISOMORPHOUS PLATE I 
CRYSTALS. 
La 
Ed 
Ld 
1 
. 
pa 7 „ = Ed , 
Fig. /. . 
Strontianite. Plate parallel to (010). 
Fig 
Strontianite. Plate parallel to (001). 
a « 
‘ . o ae =a 
> , OED |. i eee . 
- 
4 a df , eter pies a ‘ N 
> ei e e ‘ , « 
a. - A Haen 
‘ ’ ‘ 
oe & ' 
n~ 8 
: „ En Een, 
‘ 4 ' . 
, * LJ , 
La > 3 4 
‘ 
d _ ~ ’ 
v * ’ 
~ a - & « 
a 7 4 
- = Ld 
Fig. 3. Fig. 4. 
Witherite. Plate parallel to (001). Cerussite. Plate parallel to (100). 
s of the Acad. of Sciences, Amsterdam XVIII Ao 1915/1916. HELIOTYPE, VAN LEER, AMSTERDAM 
