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9,27g from unique Diogenite from Vesta - NWA 13687 Slice -N1705 For Sale
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9,27g from unique Diogenite from Vesta - NWA 13687 Slice -N1705: $50.00
Northwest Africa 13687Basic informationName:Northwest Africa 13687 This is an OFFICIAL meteorite name. Abbreviation:NWA 13687 Observed fall:No Year found:2021 Country:(Northwest Africa) Mass:700 Bulletin:MB is 1 of 524 approved meteorites (plus 2 unapproved names) classified as Diogenite.[show all] Search for other:Achondrites,Diogenites, andHED achondrites Comments:Approved 6 Feb 2021WriteupWriteup fromMB 110:
Northwest Africa 13687(NWA 13687) (Northwest Africa) Purchased: 2021 Jan Classification: HED achondrite (Diogenite) History: The meteorite was purchased from a dealer in Temara, Morocco. Physical characteristics: Many brownish fragments without fusion crust. Petrography: The meteorite is a monomict achondritic breccia predominantly composed of up to 3 mm sized orthopyroxene crystals set into fine-grained clastic matrix. Orthopyroxenes contain Ca-pyroxene inclusions with very fine exsolution lamellae. Myrmekitic silica-chromite intergrowth are present at the opx-cpx grain boundaries. Minor phases are silica, chromite, FeS, and metallic Fe. No feldspar has been detected in the thin section studied. The meteorite contains calcite-filled cracks. Geochemistry: low-Ca pyroxene: FeO/MnO=25-28, n=7); Ca-pyroxene: FeO/MnO=18-20, n=7) Data from: MB110 Table 0 Line 0:Place of purchase:Temara, MoroccoDate:P 2021 JanMass (g):700Pieces:manyClass:DiogeniteShock stage:lowWeathering grade:moderateFerrosilite (mol%):30.1; 13.9Wollastonite (mol%):4.1; 42.0Magnetic suscept.:3.05Classifier:A. Greshake, MNBType spec mass (g):23.2Type spec location:MNBMain mass:Said YousfiComments:Submitted by Ansgar GreshakeInstitutions and collectionsMNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) Catalogs:References:Published inGattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D\'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4 Find references in NASA ADS:Find references in Google Scholar:Photos:CreditPhotosPhotos uploaded by members of theEncyclopedia of Meteorites. (Caution, these are of unknown reliability)Said is 1 of 9785 approved meteorites from(Northwest Africa)(plus 1862 unapproved names) Also see:This lists the most popular meteorites among people who looked up this meteorite.Revision history:This lists important revisions made to data for this record.
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9,27g from unique Diogenite from Vesta - NWA 13687 Slice -N1705 $50.00
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