Home Hausmannite
IV - Oxides
Crystal habit of Hausmannite Hausmannite

 
Name   Hausmannite
Chemistry   Mn2MnO4
Hardness   5.5
Lustre   sub metallic
Colour   iron black to dark brown
Streak   brown 
Density [g/cm3]   4.7 - 4.8
Crystal habit   tetragonal, crystals always dipyramidal, twins
Cleavage, Fracture   [001] perfect, fracture uneven
other characteristics and occurrences   massive, granular, in hydrothermal and metamorphic Mn-deposits
   

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.