THE COLLECTION OF MINERALS 



in the complexity of their forms, they surpass the specimens 

 of the same species from all other Localities. They increased the 

 number of known crystalline planes of Stibnite from forty-five to 

 eighty-five. Galenite, the sulphi le of lea 1. an 1 Sphalerite, the 



sented by beautiful specimens in Desk 



i2 and Wall ( asesAandB. Pyrite, the sulphide of iron (Desk 



2, Wall Case C) is a very common species, and is very strik- 





STIBNITE FROM MT. KOSANG, JAPAN 



on account of its brilliant cubes, dodecahedrons and other 

 crystal forms. 



The f Haloid co; llowsth livision, 



and is composed of the unions of tl bs chlorine, fluorine, 



iodine and bromine with I metals. The ad- 

 mixture ! water 

 makes hydrous salts. In this 9 Pluorite i inenl D 



