ON THE PRIMITIVE FORM OF CRYSTALS. 345 



Table of the Fundamental Forms of Minerals as deter- 

 mined by Professor Mors of Freiberg *. 



Rhomboidal System. 



Carbonate of Lime. 

 «* of Lime and Mag- 

 nesia. 



— of Lime and Iron. 



i of Manganese. 



of Zinc. 



Phosphate of Lime. 



of Lead. 



Rhomboidal mica. 

 Nepheline. 

 Beryl, 1 

 Emerald. J 

 Corundum, ^| 

 Ruby, j> 



Sapphire., j 



Oligist Iron-ore. 



Spinellane. 



Ruby Silver. 



Cinnabar. 



Tourmaline. 



Rubellite. 



Dioptase. 



Chabasie. 



lolite. 



Quartz. 



Specular Iron-ore. 



* The results in this Table are taken from a work newly 

 published, and entitled Die Charactere der Klassen, Ordnun- 

 gen, Geschlechter und Arten oder die characteristik des Naturhis* 

 torischen Mineral-Systemes, von Friederich Mohs. Dresden, 

 1 820. This interesting work has been translated into Eng- 

 lish, and is now publishing in Edinburgh. 



