Home Augite
VIII - Inosilicates (Pyroxene Group)		 Crystal habit of Augite Augite
 
Name   Augite
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   in volcanic and plutonic rocks, also metamorphic formation by contact or regional metamorphism
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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