Moon Rock
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Moon Rock

$49.00
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Hold a piece of the universe in your hand! Moon Rock: A piece of the lunar meteorite NWA 4483 Feldspathic granulation impactite Specimen size approx. 7-12 mg   Northwest Africa 4483 Algeria Find: July 2006 Achondrite (lunar, granulitic breccia) History: Purchased by Stefan Ralew in July 2006 from a dealer in Erfoud, Morocco. Physical characteristics: Twelve broken fragments of very fine-grained, pale grey rock with a combined weight of 208 g. Petrography: (A. Irving and S. Kuehner, UWS) Fine grained recrystallized breccia composed of larger plagioclase grains (converted mainly to maskelynite) poikilitically enclosing very small grains (mostly 30–80 μm) of low-Ca pyroxene (some with very fine augite exsolution lamellae), olivine, Ti-chromite, ilmenite, troilite, and metal. Geochemistry: Olivine (Fa30.9–60.8, FeO/MnO = 88.1–106), plagioclase (An96.2–98Or<0.1), orthopyroxene (Fs14.3Wo2.0, FeO/MnO = 52.6), pigeonite (Fs36.4–75.1Wo6.3–13.5, FeO/MnO = 62.9–66.5). Classification: Achondrit

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