AGRICULTURAL ANALYSIS 



the other. In the same fashion between B and C magnesium 

 sulfate with six molecules of water of crystallization appears in GH 

 and between C and D the mineral schonit (K 2 Mg(SO 4 ) 2 6H 2 O) 

 along JK. The progress of crystallization, using the same prin- 

 ciple as before, is just as easy to follow, and is indicated by the 

 arrows which in each quadrant are directed towards a so-called 



Fig. 46. Graphic Representation of the Deposition of Different Salts. 



final point of crystallization. In this diagram these points are 

 F,GJ, and L. 



So far, however we have only considered a part of the pos- 

 sibilities, for solutions are entirely lacking which contain every- 



