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GENUINE AND RARE MARS METEORITE NWA 4925 Achondrite (Martian, olivine-phyric Shergottite) Found in the Sahara Desert by Nomads and later purchased in Erfoud in 2007 Country: NORTH-WEST AFRICA, Coordinates: unknown
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NWA 4925 Type: Stone, Martian: Achondrite (olivine-phyric shergottite) Total known weight: 282.3 g, 1 piece. History: The meteorite was found by an anonymous person in northwest Africa and bought by the main mass holder in Erfoud, Morocco. Physical characteristics: One fragment partly covered by fusion crust weighing 282.3 g was found. Petrography: (A. Greshake, MNB) The meteorite displays a porphyritic texture with large chemically zoned olivine megacrysts set into a fine-grained groundmass composed of pyroxene and maskelynite. Minor phases include chromite, sulfides, phosphates, and small Fe-rich olivines. The olivine megacrysts often contain melt inclusions and small chromites. Geochemistry: Mineral composition (EMPA): Olivine, Fa27.6–46.8; pyroxene, Fs20.0–37.7Wo3–14.8; maskelynite, An67–69. Classification: Achondrite (Martian, olivine-phyric shergottite); severely shocked with some melt pockets; moderately weathered. Specimens: A total of 20.1 g plus one polished thin section are on deposit at MNB. Ralew holds the main mass. Your Mars 'Rock' comes in a specially designed box from the "MARTIAN COLLECTION NWA 4925", which consists of various motivs of the planet MARS. Autheticity is guaranteed. We are member # 3420 of the IMCA ( International Meteorite Collectors Association ) and Authenticity of all our meteorite material is our goal. The Special Box measures 56 x 36x 15 mm. This Martian Meteorite is a Olivine-Phyric-Shergottite, not to be missed in any Meteorite Collection. We hope you will enjoy your own little piece of our earthly neighbour planet!
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