NWA 15243 LL3 Chondrite meteorite Found in February 2022 in Mali. 47.6 Grams End-Cut. GUARANTEED AUTHENTICITY You are buying 100% guaranteed authentic meteorite, combined with a signed certificate of authenticity. Free worldwide first class express delivery and tracking will be provided. Official classification data source, Meteoritical Bulletin Database. Northwest Africa 15243 Classification: Ordinary chondrite (LL3). Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed unequilibrated chondrules (apparent diameter 1240 ± 550 µm, N = 25) containing devitrified glass are set in a fine grained matrix containing altered kamacite, augite, chromite and troilite. Geochemistry: Olivine (Fa17.3±8.9, range Fa2.0-34.4, N = 16; Cr2O3 in ferroan olivine 0.03-0.22 wt.%, mean 0.11 wt.%, sd 0.07 wt.%, N = 23), low-Ca pyroxene (Fs20.4±10.8Wo1.7±0.9, range Fs8.3-31.0Wo1.0-3.4, N = 7), subcalcic augite (Fs7.1Wo32.3; Fs19.5Wo20.0; N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.30. Classification: Ordinary chondrite (LL3). Data from: MB111 Table 0 Line 0: Place of purchase: Mali Date: P 2022 Feb Mass (g): 2685 Pieces: many Class: LL3 Shock stage: S2 Weathering grade: W2 Fayalite (mol%): 17.3±8.9 Ferrosilite (mol%): 20.4±10.8 Wollastonite (mol%): 1.7±0.9 Magnetic suscept.: 3.30 Classifier: A. Irving, UWS, and J. Boesenberg, BrownU Type spec mass (g): 39.7 Type spec location: UWB