Home Omphacite
VIII - Inosilicates (Pyroxene Group)

Name   Omphacite
Chemistry   (Ca,Na)(Mg,Fe2+,Fe3+,Al)[Si2O6]
Hardness   5 - 6
Lustre   vitreous - silky
Colour   grass green or dark green
Streak   greenish white 
Density [g/cm3]   3.3 - 3.5
Crystal habit   monoclinic, crystals prismatic
Cleavage, Fracture   [110] gut (87°), fracture uneven
other characteristics and occurrences   together with garnet typical for eclogites

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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