Count de Bourn on on BardlgUone. 



359 



TahU of Bardigliojic and its Varieties. 



i 

 I 



Variety. 



Division. Sub- division. 

 1 





Of determinate 

 crystalline forms. 



Primitive crystal 1 The crystals mixed with sea-salt 

 : its mod.hcat.ons & varieties. ^ vVurfelspath (Werner). 





Of indeterminate 



Approaching a determinate 



form. , 

 Fibrous \ With divergent fibres. 





crystalline forms. 



a; 





Globular. 

 With large laminae . . -^ 



: 



"Lying in the same direction. 

 Very thin, and placed one upon 

 another, so as to form separate 

 and distinct aggregations. 



3C aj 



Lamellar . . •<, 







11 



Granular . . ] 



f Appearing, when examined by 

 1 the lens, in the form of small 

 . With smalllaminae . . ^ distinct crystals. 



Intersecting each other in dif- 

 [_ ferent directions. 





Stalactiform . 



Contorted, (pierrc de tripe). 







Jntermixed with small crys- 









talline masses of the same 









substance. 









Mixed with sea-salt (muria- 







Compact. ■< 



cile). 

 Mixed with quartz C/j/errerfe 



vulpino). 

 Including small globules of 

 L the same substance. 







Epigeneofllauy. 







