hypersthene


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hypersthene

[′hī·pər‚sthēn]
(mineralogy)
(Mg,Fe)SiO3 A grayish, greenish, black, or dark-brown rock-forming mineral of the orthopyroxene group, with bronzelike luster on the cleavage surface.
References in periodicals archive ?
CIPW norms contain hypersthene (rocks are subalkaline; assuming [Fe.
A hypersthene sample from the Smithsonian was analyzed for Cr and used as a secondary standard.