This is 1 of 9 approved meteorites classified as Lunar (melt breccia). [show all] Search for other: Lunar meteorites. Northwest Africa 13788 (NWA 13788). Classification: Lunar meteorite (melt breccia). Physical characteristics : Specimen contains a dark-brown fusion crust.
An interior slice reveals light and dark clasts within a darker matrix. Sample is an impact melt breccia composed of angular to sub-rounded mineral and lithic clasts. Fe/Mn=74±11, n=22, Low-Ca pyroxene Fs. Fe/Mn=47±6, n=11, Sub-calcic augite Fs.Specimens : 20.3 g at. Main mass with Matthew and Travis Stream. Data from: MB110 Table 0 Line 0. 34.5±13.1, 34.4±9.7, 28.6±9.2.
2.9±1.5, 15.0±5.3, 31.8±4.5.