• Type: Lunar / melt breccia
• Locality: Algeria
• Weight: 0.4g
• Dimensions: 11 x 12 x 2 mm
• Year of finding: 2023
• Total known weight: 3.15 kg
• Surface treatment: cut slice, Polished on one side
• DETAILED DESCRIPTION

Lunar meteorite Adrar 013 - Melt breccia from the lunar highlands Adrar 013 is a lunar meteorite classified as a melt breccia - a rock composed of mixed fragments of lunar material that have been remelted during an impact event. It was found in 2023 in the Adrar region, Algeria. The total recovered mass is approximately 3.15 kg, with the single largest piece weighing about 3 kg. Mineral structure and composition The Adrar 013 meteorite consists of gray-green to greenish fragments (clasts) enclosed in a melted anorthitic matrix showing a clear flow and rapid cooling structure. The main mineral phases are pigeonite, zoned augite, and a smaller amount of olivine. Accessory minerals include ilmenite, chromite, and troilite. The meteorite shows a high degree of impact metamorphism and a low degree of weathering, indicating that it underwent a strong impact but remained well-preserved after landing on Earth. Origin and scientific significance The structure and composition indicate that Adrar 013 comes from the lunar highlands and formed during a powerful impact event that melted and mixed the original rocks into a single melt breccia. Such meteorites are extremely valuable as they provide information on the geology of the lunar crust, the history of impact processes, and the chemical composition of the Moon. Free certificate Lunar meteorite Oued el Hamim 001 - 1.2g - Libya