Home Hypersthene
VIII - Inosilicates (Pyroxene Group)
 
Name   Hypersthene
Chemistry   (Mg,Fe)2[Si2O6]
Hardness   5 - 6
Lustre   vitreous - pearly
Colour   dark brown, black green, black
Streak   white to grey 
Density [g/cm3]   3.1 - 3.5
Crystal habit   monoclinic, crystals short, prismatic
Cleavage, Fracture   [210] distinct (87°), fracture conchoidal
other characteristics and occurrences   orthorhombic pyroxenes:
enstatite   bis  5% FeO
bronzite    bis 15% FeO
hypersthene bis 34% FeO
in igneous rocks undersaturated with silica, in metamorphic rocks
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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