374 P. Eskola — Silicates of Strontium and Barium. 



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Complete series of 

 solid solutions with 

 a-CaO.Si0 2 



| Complete series 

 y of solid 

 j solutions. 





Solid solutions 

 with anorthite. 



Solid solutions 

 with orthoclase. 



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Isometric 



Monocl. ? 



Pseudo (?) 

 dihexagonal 

 pyramidal 

 tabular (0001) 



Isometric 



Granular 



Orthorhombic 

 granular 

 or needles 



Orthorhombic 

 granular 



Orthorhombic 

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