NWA 12513 Achondrite Meteorite - 11×9×7 cm - 1356 g - (1)

This unique Officially Classified meteorite NWA 12513 fresh monomict gabbroic eucrite meteorite was recently found by a camel herder in Algeria, purchased 2018 Aug and classified by world renowned and profoundly respected Anthony J. Irving and team at University of Washington. Name: Northwest Africa 12513 this is an official meteorite name. This is very rare and fresh monomict gabbroic eucrite meteorites. fresh and beautiful with flight marked primary fusion crust. On Offer 636 gram Officially classified NWA 12513 fresh monomict gabbroic eucrite meteorite of 1356 gram Our specimens are priced to allow someone to resell. This material can retail from $25 per gram to over $40 per gram when sold in smaller fragments and slices. NWA 12513 MONOMICT GABBORIC EUCRITE METEORITE 636 GRAM GUARANTEED AUTHENTICITY The authenticity of this meteorite has a 100% guarantee. Signed Certificate of Authenticity Included. First class delivery and provenance provided. TRULY A BEAUTIFUL MUSEUM QUALITY SHOWPIECE FRESH FUSION CRUST WITH VELVETY TEXTURE AND TONS OF CONTRACTION CRACKS OFFICIAL CLASSIFICATION DATA SOURCE: THE METEORITICAL SOCIETY INTERNATIONAL SOCIETY FOR METEORITICS AND PLANETARY SCIENCE LUNAR AND PLANETARY INSTITUTE METEORITICAL BULLETIN DATABASE Northwest Africa 12513 Basic information\t. Name: Northwest Africa 12513 This is an OFFICIAL meteorite name. Abbreviation: NWA 12513 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: help 2. 55 kg Classification history: \t Recommended: \t\t\t. Eucrite-mmict [explanation] This is 1 of 211 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites Comments: \t. Approved 12 Mar 2019 Writeuphelp\t Writeup from MB 108: Northwest Africa 12513 (NWA 12513) (Northwest Africa) Purchased: 2018 Aug Classification: HED achondrite (Eucrite, monomict) History: Four similar stones (total 2545 g) were recovered ~50 m apart at a location in Algeria, and were purchased by Mbark Arjdal in August 2018 from an Algerian dealer. Petrography: (A. Irving and S. Kuehner, UWS) Very fresh monomict gabbroic eucrite specimen composed of coarse grained lithic clasts in a sparse matrix of related crystalline debris. Major minerals are low-Ca pyroxene and calcic plagioclase together with accessory silica polymorph and ilmenite (associated with multiple small grains of zircon) . Some pyroxene has unexsolved pigeonite cores whereas other pyroxenes have exsolved into augite lamellae within host orthopyroxene. Geochemistry: Low-Ca pyroxene cores (Fs31. 9-32. 1Wo6. 2-5. 6, Fe. O/Mn. O = 29, N = 2) , orthopyroxene host (Fs60. 6Wo4. 5, Fe. O/Mn. O = 34) , clinopyroxene exsolution lamellae (Fs26. 2-29. 1Wo43. 7-40. 6, Fe. O/Mn. O = 31-35, N = 2) , plagioclase (An84. 3-87. 9Or1. 5-0. 7, N = 2) . Classification: Eucrite (monomict breccia, gabbroic) . Specimens: 33. 5 g including one polished thin section at UWB; remainder with Mr. M. Arjdal. Data from: MB108 Table 0 Line 0: \t Place of purchase: \t. Algeria Date: \t. P 2018 Aug Mass (g) : \t2545 Pieces: \t4 Class: \t. Eucrite-mmict Shock stage: \tlow Weathering grade: \tlow Ferrosilite (mol%) : \t31. 9-32. 1; 60. 6 Wollastonite (mol%) : \t6. 2-5. 6; 4. 5 Classifier: \t. A. Irving and S. Kuehner, UWS Type spec mass (g) : \t33. 5 Type spec location: \t. UWB Main mass: \t. M. Arjdal Comments: \t. Work name Arj18-B19; submitted by A. Irving Institutions and collections\t. UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) Catalogs: \t References: \t. Published in Meteoritical Bulletin, no. 108, in preparation (2019)