olivine

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All eight white dwarf systems observed showed signatures of a glassy silicate mineral similar to olivine, which is common on Earth.

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Definitions (3)

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  1. noun A mineral silicate of iron and magnesium, principally (Mg, Fe)2SiO4, found in igneous and metamorphic rocks and used as a structural material in refractories and in cements. Also called chrysolite.

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Examples (50)

  • All eight white dwarf systems observed showed signatures of a glassy silicate mineral similar to olivine, which is common on Earth. —  Livescience.com
  • The team found the dust contains a glassy silicate material similar to olivine, which is common on Earth and has also been seen on the Moon and Mars. —  New Scientist - Online News
  • This crater is rich in olivine, which, like pyroxene detected by the M3 recently, contains iron. —  Signs of the Times
  • - Peridot is a gemstone variety of the mineral olivine, a silicate formed with magnesium and iron and commonly found amongst basalts (lava rock).
  • But the referenced comments above referred specifically to olivine, which is (Mg, Fe) SiO4, which could sequester a mass of C per unit mass rock similar to that for carbonates** as calculated above if the Fe can be used. —  RealClimate
 

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/ˈɑlɪvɪn/
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