Home Wolframite
IV - Oxides		 Crystal habit of Wolframite Wolframite
 
Name   Wolframite
Chemistry   (Fe,Mn)WO4
Hardness   5 - 5.5
Lustre   greasy metallic
Colour   brownish black to iron black
Streak   yellow brown, deep brown to black 
Density [g/cm3]   7.1 - 7.5
Crystal habit   monoclinic, crystals thick tabular, striated
Cleavage, Fracture   [010] perfect, fracture uneven
other characteristics and occurrences   mixed crystals of
ferberite  = Fe[WO]4
huebnerite = Mn[WO]4
pegmatitic-pneumatolytic origin
   
This page in German - Diese Seite in Deutsch
 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
These recommendations are believed to be correct. However, no guarantee of their accuracy is given. Therefore, purchasers shall make their own tests to determine suitability for their use. These products are offered for industrial and related uses (e.g. research and development) only. However the user must take the necessary precautions appropriate for products containing chemicals. This description does not imply the absence of any patents, the responsibility whatsoever solely rests with the user.