48 PHYSIOGRAPHT. 



Minium MispickeL 

 MINERAL HYDRO-CARBON. 



In acicular crystals. 



Lustre nacreous. Color white, or yellowish white. Sp. gr. = 

 0-65. 



1. It melts at 112 F. s and distils at 194, condensing unaltered. It 

 dissolves slowly in alcohol, but more rapidly in ether and oil of turpen- 

 tine. 



2. Analysis. 

 Carbon - - - - - - 73 



Hydrogen 24 



3. It is found between layers of lignite, near Urnach, canton of St 

 Gall, Switzerland. 



MINIUM. Molybdic Lu sine- Ore. 



Massive : composition impalpable, pulverulent. Color 

 aurora-red. 



Sp. gr. = 4-6. 



1. In the reducing flame of the blow-pipe, globules of metallic lead 

 are produced. It passes to the state of the brown oxide, through the ac- 

 tion of nitric acid. It probably consists of lead 89-62, and oxygen 10-38. 



2. It is only met with in very small quantities in veins of Galena, and 

 also, associated with Calamine. 



3. Its localities are Bleialf in Eifeld, Badenweiler in Baden, Brillon 

 in Westphalia, Island of Anglesea, Grassington-Moor, and Grass-hill 

 chapel in Yorkshire. 



MISPICKEL. Prismatic Eruthleu cone- 

 Pyrites. 



Primary form. Right rhombic prism. M on M = lll 

 12'. 



