CATALOGUE OF MINERALS. 



No. 



Name. 



Formula. 



System of 

 crystallization. 



D. OXYGEN CO-^IPOU-\DS. 



I. BINARY COMPOUNDS. 



1. Oxides of the Elements of the Hydrogen Group. 

 A. Anhydrous Oxides. 

 1. Monometric. 

 Mg 



143. Periclase 



144. Red Copper * 



145. Martite* 

 14(3. Iserine 

 147. Irite? 

 14^^. Spinel * 



149. Magnetite * 



150. Magnoferrite 



151. Pranklinite* 



152. Chromic Iron * 



153. Pitchblende 



154. Melaconite * 



155. Plumbic Ochre * 



156. Water * 



157. Zincite * 



158. Corundum* 



159. Hematite* 

 IGO. Ilmenite * 



161. Plattnerite 



162. Tenorite 



Fe 



Fe(5Pe,Ti) 



(ir,Os,Fe) (Ir, Os, Cr)^ 0^? 



* J'lg XI 



FePe 



t Sig' Pe* 



(Fe,2n)3(Pe,Mn) 



(Fe,S[g)(Sl,€'r) 



€u 



2. Hexagonal. 

 S 



^n 

 £1 

 IPe 



Pb • 



^u 



* Mg may be replaced by Ca, f e, Sin, or 2n, alone or in combination. 

 t Ranimolsberg gives the formula Mg'" 3Pe", and gives 3 and 4 as the probable 

 values of m and n. 



6 

 6 

 6 



6 



6 



6? 



6? 



