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pallasite |
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pallasite [′pal·ə‚sīt] (geology) A stony-iron meteorite composed essentially of large single glassy crystals of olivine embedded in a network of nickel-iron. An ultramafic rock, of either meteoric or terrestrial origin, which contains more than 60% iron in the former, or more iron oxides than silica in the latter. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The most unusual peridot comes from meteorites (space rocks that hit Earth) called pallasites. |
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