- Meteorite Type: Lunar, feldspathic breccia
- Weight: 363.7 grams
- Approximate Measurements: 85 mm x 70 mm x 40 mm
- Additional Information: This world-class specimen would be the envy of many museums and significant university collections. A whole stone in as-found condition, clearly showing light and dark patches typical of NWA 11303. It is this brecciated mixture that produces the alluring, high-contrast slices. A large, visually appealing, and highly impressive example of our nearest celestial neighbor, with impeccable provenance from Aerolite Meteorites, Inc., and examined and classified by the Department of Earth at Space Sciences at the University of Washington, Seattle.
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NWA 11303 is one the most visually appealing lunar meteorites available to collectors, and the favorite of our resident meteorite expert, Geoffrey Notkin. It was found in 2017 and classified by meteorite scientists A. Irving and S. Kuehner at the Department of Earth at Space Sciences at UWS. Laboratory-polished slices reveal a kaleidoscope of clasts of varying sizes and colors, clearly demonstrating the multifaceted composition of this lunar breccia. As noted above, it is expected to see little or no iron and lunar meteorites, but NWA 11303 slices contain visible metallic inclusions. This extraterrestrial nickel-iron was likely brought to the Moon on board large asteroid fragments, suggesting NWA 11303 is a composite of indigenous lunar material combined with meteorite fragments that could have originated hundreds of millions of miles away.