Northwest Africa 12518 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12518 This is an OFFICIAL meteorite name. Abbreviation: NWA 12518 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 1479 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 431 approved meteorites classified as LL3. | ||||||||||||||||||||||||||||||
Comments: | Approved 1 Nov 2020 | ||||||||||||||||||||||||||||||
Writeup | Writeup from MB 109: Northwest Africa 12518 (NWA 12518) (Northwest Africa) Purchased: 2018 Aug Classification: Ordinary chondrite (LL3) History: Purchased by John Higgins in August 2018 from a dealer in Zagora, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Well-formed chondrules (apparent diameter 850±370 µm, N = 23) are set in a finer matrix containing altered metal. Geochemistry: Olivine (Fa7.8-39.1, Cr2O3 in ferroan examples 0.03-0.32 wt.%, mean 0.14±0.10 wt.%, N = 8), orthopyroxene (Fs1.8-20.7Wo0.3-3.9, N = 3), subcalcic augite (Fs10.3-24.3Wo34.2-29.7, N = 2). Magnetic susceptibility log ? (× 10-9 m3/kg) = 3.95. Classification: Ordinary chondrite (LL3) Specimens: 55 g including one polished thin section at UWB; remainder with Mr. J. Higgins. | ||||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections | University of Washington, Department of Earth and Space Sciences University of Washington | ||||||||||||||||||||||||||||||
Catalogs: | |||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020) | ||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 8742 approved meteorites from NWA (plus 1879 unapproved names) | ||||||||||||||||||||||||||||||
GUARANTEED AUTHENTICITY Member of the Meteoritical Society & International Meteorite Collectors Association The authenticity of this meteorite has a 100% guarantee. Signed Certificate of Authenticity Included. First class delivery and provenance provided exhibiting important details of the classification & petrography. 1cm scale cube for reference purposes not included. SHIPPING: Shipping and Delivery Includes postage costs, packaging & handling. International shipping may be subject to import duties or other taxes. I normally dispatch your order the following day after payment is completed (Mon-Sat).Your goods will be shipped from USA, if you live outside US, the Items normally take 7-14 days but please allow up to 20 days for delivery in case of postal delays. COMBINING SHIPMENTS: Please request a total combined invoice after you are done bidding on all items. Postage can vary when buying multiple items based upon weight. CANADA: Shipping to you may be slightly cheaper than Global destinations, please request a total for single items. |