hypersthene
a dark iron magnesium silicate, an orthorhombic pyroxene containing more than 14 percent ferrous oxide.
Origin of hypersthene
1Other words from hypersthene
- hy·per·sthen·ic [hahy-pers-then-ik], /ˌhaɪ pərsˈθɛn ɪk/, adjective
Words Nearby hypersthene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use hypersthene in a sentence
In the same flow hypersthene-andesite may occur in one portion, while in close proximity the lava is an augite-andesite.
Mount Rainier | VariousIt may be noted also that hypersthene shows a tendency to magmatic alteration, although only rarely.
Mount Rainier | VariousBoth are light colored, and the pleochroism of the hypersthene is sometimes quite faint.
Mount Rainier | VariousIt also surrounds olivine in this same rock, which is a hypersthene-andesite, the hornblende and olivine being only accessory.
Mount Rainier | Varioushypersthene is not the prevailing pyroxene, and olivine is usually present, often in such abundance as to make the rock a basalt.
Mount Rainier | Various
British Dictionary definitions for hypersthene
/ (ˈhaɪpəˌsθiːn) /
a green, brown, or black pyroxene mineral consisting of magnesium iron silicate in orthorhombic crystalline form. Formula: (Mg,Fe) 2 Si 2 O 6
Origin of hypersthene
1Derived forms of hypersthene
- hypersthenic (ˌhaɪpəˈsθɛnɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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