Hypersthene meaning

hīpər-sthēn
A green, brown, or black splintery, cleavable pyroxene mineral, essentially (Fe,Mg)2 Si2 O6 .
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A dark-colored variety, (Mg,Fe)SiO3, of enstatite, containing a large amount of iron; magnesium iron silicate.
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(mineralogy) An inosilicate that is an orthorhombic pyroxene.
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Origin of hypersthene

  • French hypersthène hyper- extreme (from Greek huper- hyper–) Greek sthenos strength segh- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition