46 Prof. Naumann on Mineralogical Classification, 



CLASS IX. METALLIC OXIDES.— Oxides of heavy metals, and 

 such combinations of them as do not possess a salt-like habiiuf. 



Order I. Hydrous Metallic Oxides. 



Needle Iron-ore Varvicite 



Lepidokrokite Psilomelane 



Stilpnosiderite Cupreous Manganese 



Bog Iron-ore Black Cobalt-ochre (Absolane) 



Brown Iron-ore Copper- Black 



Wad Neukirchite 



Groroilite Uran-ochre 



Manganite Antimony-ochre. 



Order II. Anhydrous Metallic Oxides. 



Bismuth-ochre Rutile 



Molybdena-ochre Tin-ore 



Woifram-ochre Wolfram 



Oxide of Antimony Tantalite 



Gldtte Hausmannite 



Minium Braunite 



Schwerbleierz Pj'rolusite 



Uranium Pitch-ore Red Iron-ore 



Red Zinc-ore Titanic Iron-ore 



Red Copper-ore Franklinite 



Brookite Chromate of Iron 



Anatase Magnetic Iron-ore. 



CLASS X. METALS.— Native metals, and some of their 

 combinations. 



Iron Bismuth 



{a) Terrestrial Lead 



\h) Meteoric Mercury 



Iron-Platina Amalgam (3 species) 



Platina Silver 



Platina-Iridium Antimonial Silver 



Iridium Antimony 



Osmiridium (2 species) Antimonial Arsenic 



Palladium Arsenic 



Gold Tellurium 

 Copper 



CLASS XL GALENOIDES (Glances).— Sulphurets, seleniurets, and 

 telluriurets of metals, chiefly of a grey and black, rarely of a white and 

 pinchbeck-brown colour, and of a non-metallic habitus ; malleable or 

 sectile ; hardness reaches that of calcareous spar. 



A. Telluriitm Glances. 



Telluiic Silver Telluric Bismuth 



Graphic Tellurium (and Weisserz) Telluric Lead 

 Foliated Tellurium 



B. Selenium Glances, 



Seleniuret of Mercury Eukairite 



Seleniuret of Silver Seleniuret of Copper and Lead 



Seleniuret of Copper Seleniuret of Lead 



