Home Hornblende
VIII - Inosilicates (Amphibole Group)		 Crystal habit of Hornblende
 
Name   Hornblende
Chemistry   (Ca,Na,K)2(Mg,Fe2+,Fe3+,Al)5[OH|(Si,Al)4O11]2
Hardness   5 - 6
Lustre   vitreous
Colour   green to black
Streak   white 
Density [g/cm3]   2.9 - 3.4
Crystal habit   monoclinic, crystals prismatic, short, acicular, fibrous
Cleavage, Fracture   [110] perfect (124°), fracture uneven
other characteristics and occurrences   in igneous and metamorphic rocks
   
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.