Home Fassaite
VIII - Inosilicates (Pyroxene Group)
Crystal habit of Fassaite

Name   Fassaite
Chemistry   CaMg[(Si,Al)2O6]
Hardness   6
Lustre   vitreous - greasy
Colour   black, greenish black, green
Streak   grey green 
Density [g/cm3]   3.3 - 3.5
Crystal habit   monoclinic, crystals columnar, cross section octagonal, twins [100]
Cleavage, Fracture   [110] distinct (87°), fracture uneven
other characteristics and occurrences   fassait = augite variety with low iron content
contact mineral in limestones, which were forced under high pressure

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.