THE CHEMICAL ARRANGEMENT. 



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Genus V. SULPHIDE. 



SECTION A. SIMPLE. 



Molybdic Molybdenite. 



Mercuric Cinnabar. 



Argentic Vitreous Silver. 



Bismuthic Bismuthine. 



Cuprous Vitreous Copper. 



Plumbic Galena. 



Cobakic Cobalt Pyrites. 



Nickelic Capillary Pyrites. 



Per-ferric Iron Pyrites. 



White Iron Pyrites. 



Zincic Blende. 



Manganic Mangan- Blende. 



SECTION B. MIXED. 



Per-ferric &; quinqui-ferrous Magnetic Iron Pyrites. 



Argentic & cuprous 



Argentic &t ferrous 



Ferrous &; bi-cuprous 



*Copper, tin & iron 



* Copper, bismuth &; lead 



APPENDIX TO GENUS V. 

 (Combination of a sulphide with an oxide.) 

 *Antimonic oxide & sulphide Red Antimony. 



Genus VI. SELENIDE. 



SECTION A. SIMPLE. 



Cupric Selencuprite. 



Plumbic Ckttsthattte* 



Stromeyerite. 

 Sternbergite. 

 Variegated Copper. 

 Tin Pyrites. 

 Cupreous Bismuth. 



