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  

/ ˌhaɪpəˈsθɛnɪk, 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

Etymology

Origin of hypersthene

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

Example Sentences

Bronzite is sometimes cut and polished, usually in convex forms, for small ornamental objects, but its use for this purpose is less extensive than that of hypersthene.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

The cleavage surfaces therefore exhibit a metallic sheen or "schiller," which is even more pronounced in hypersthene than in bronzite.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

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

Schillerstein, or schiller spar is a similar product of the allied but rhombic mineral hypersthene.

From The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde by Various

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

From A Yacht Voyage Round England by Kingston, William Henry Giles