Here we are offering the spectacular, extremely fresh New Martian meteorite NWA 4878 (Official). This martian shergottite has a TKW of 535 grams and has been provisionally paired with the basaltic martian shergottite NWA 2975 (the classification of which can be read below). These are some of the freshest martian meteorites ever found. They consist of individuals and fragments many of which still have black fusion crust! If you are not familiar with martian meteorites, this is a very unique opportunity to purchase an entire, martian meteorite with fusion crust! At a recent Bonham's Auction in New York City, a 4.07g specimen of this pairing group sold for well over $14,000! Don't miss out on adding one of these beautiful, affordably priced specimens to your collection while they last!
Excerpt from Classification of Northwest Africa 2975 as found in Met. Bull. :
Achondrite (Martian, basaltic shergottite)
History: A minimally weathered fully encrusted whole stone of 70.1 g was purchased in Erfoud, Morocco, by M. Farmer in November 2005.
Petrography: (T. Bunch and J. Wittke, NAU; A. Irving, UWS) A medium-grained (<3.1 mm greatest dimension) basaltic shergottite that consists of ~57.3 vol% augite and pigeonite pyroxenes, and 38.3 vol% plagioclase (present as shock-formed maskelynite and glasses) with minor opaques (2.7 vol%) and phosphates (1.7 vol%) arranged in a weakly foliated subophitic to granular texture. Accessory phases include ulvospinel, ilmenite, chlorapatite, merrillite, pyrrhotite, Si-Al-Na-K-rich glasses, and baddeleyite. Vesicular black glass veins (<3 mm in width) and pockets (up to 6 mm) are prominent.
The following specimens of NWA 4878 are available. Please click on the Links below for more photos and pricing:
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