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Omphacite VIII - Inosilicates (Pyroxene Group)

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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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