hypersthene

American  

[hahy-pers-theen] / ˈhaɪ pərsˌθin /

noun

Mineralogy.

1. a dark iron magnesium silicate, an orthorhombic pyroxene containing more than 14 percent ferrous oxide.

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hypersthene British  

/ ˈhaɪpəˌsθiːn /

noun

1. a green, brown, or black pyroxene mineral consisting of magnesium iron silicate in orthorhombic crystalline form. Formula: (Mg,Fe) 2 Si 2 O 6

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Other Word Forms

• hypersthenic
  adjective

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Etymology

Origin of hypersthene

1800–10; hyper- + Greek sthénos strength, might; replacing hyperstene < French hyperstène

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Example Sentences

See Examples For:

hypersthene

Bronzite and hypersthene were known long before enstatite, which was first described by G.A.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" by Various

Their metallic appearance arises from their being composed of a mineral called hypersthene.

From A Yacht Voyage Round England by William Henry Giles Kingston

Schiller, shil′ėr, n. the peculiar bronze-like lustre observed in certain minerals, as hypersthene, &c., due to internal reflection.—ns.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

Its prevalence is due to the unstable composition of the original minerals of the rock, such as olivine, hypersthene, and pyroxene.

From History and Comprehensive Description of Loudoun County, Virginia by James William Head

Sometimes the pyroxenic mineral becomes hypersthene, giving rise to hypersthene-gabbro; or when hornblende is present, to hornblende-gabbro; when olivine, to olivine-gabbro.

From Volcanoes: Past and Present by Edward Hull

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