Mineralogy and Crystallography

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hypersthene

A Dictionary of Earth Sciences | 1999 | | Copyright

hypersthene A member of the orthorhombic pyroxenes with approximately equal amounts of Fe and Mg in its composition MgFeSi₂O₆, it is a mineral occurring within the series enstatite to (ortho) ferrosilite, although the name hypersthene has fallen into disuse (with the more general term orthopyroxene followed by the exact composition being preferred); sp. gr. 3.5; hardness 5–6; orthorhombic; green to greenish, or brownish-black; vitreous lustre; crystals can be prismatic or tabular, but usually irregular grains; cleavage good, prismatic {110}; occuss in iron-rich, bafic, igneous rocks, e.g. noritic gabbro, trachytes, and andesites.

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AILSA ALLABY and MICHAEL ALLABY. "hypersthene." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "hypersthene." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O13-hypersthene.html

AILSA ALLABY and MICHAEL ALLABY. "hypersthene." A Dictionary of Earth Sciences. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-hypersthene.html

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hypersthene

Oxford Dictionary of Rhymes | 2007 | Copyright

hypersthene •diamantine • dentine • Benedictine •Christine, pristine, Sistine •Springsteen • tontine • protein •Justine • libertine • mangosteen •brigantine • Augustine • nicotine •galantine • guillotine • carotene •quarantine • astatine • travertine •brilliantine • ethene • polythene •hypersthene • olivine • Slovene •go-between • fanzine •benzene, benzine •bombazine • organzine

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"hypersthene." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O233-hypersthene.html

"hypersthene." Oxford Dictionary of Rhymes. 2007. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-hypersthene.html

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