1.60 grams 18x10x8mm NWA 11474 Lunar feldsp. breccia Meteorite individual w/COA

Description: Northwest Africa 11474Basic informationName: Northwest Africa 11474 This is an OFFICIAL meteorite name. Abbreviation: NWA 11474 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass 586 grams Classification history:Meteoritical Bulletin: (2018) Lunar (feldsp. breccia)Recommended: Lunar (feldsp. breccia) This is 1 of 253 approved meteorites classified as Lunar (feldsp. breccia). Comments:Approved 15 Nov 2017 Northwest Africa 11474 (NWA 11474)(Northwest Africa)Purchased: 2017Classification: Lunar meteorite (feldspathic breccia)History: Purchased by Dustin Dickens and Mendy Ouzillou from a Mauritanian meteorite dealer May 10, 2017.Physical characteristics: Many identical appearing pieces, no fusion crust. A saw cut reveals a fragmental breccia with numerous white feldspathic clasts set in a dark-gray ground mass.Petrography: (C. Agee, UNM) This meteorite consists of primarily feldspathic clasts and shock melt with lesser amounts of fragmental pyroxene and olivine.Geochemistry: (C. Agee and B. Ha, UNM) olivine Fa19.3±0.6, Fe/Mn=86±1, n=2; pigeonite Fs24.8±0.5Wo4.3±0.3, Fe/Mn=60±9, n=2; high Ca pyroxene Fs27.4Wo34.4, Fe/Mn=58, n=1; plagioclase An97.8±0.7Ab2.0±0.6Or0.2±0.1, n=6; Shock melt (20 μm defocused electron beam, proxy for bulk meteorite composition): SiO2=44.4±0.8, TiO2=0.21±0.01, Al2O3=27.5±1.1, Cr2O3=0.07±0.02, MgO=5.7±1.4, FeO=4.2±1.3, MnO=0.07±0.02, CaO=16.2±0.5, Na2O=0.42±0.04, K2O=0.01±0.02 (all wt%), Fe/Mn=63±1, Mg#=70.1±1.1, n=3.Classification: Lunar feldspathic brecciaSpecimens: 20 g including a probe mount on deposit at UNM, Dustin Dickens and Mendy Ouzillou hold the main mass. Place of purchase:MauritaniaDate:P 2017Mass (g):586Pieces:ManyClass:Lunar (feldsp. breccia)Shock stage:HighWeathering grade:Moderate

Price: 66.99 USD

Location: Tombstone, Arizona

End Time: 2024-09-26T03:56:51.000Z

Shipping Cost: 6.49 USD