NWA 15523
Approved by the Meteoritical Society in March 2023
Classification: Carbonaceous chondrite, type CM2 (rich in organic compounds)
Discovery: Principles of   2022 in the Hassi Khebi region, Tindouf province, Algeria
Acquisition: Nouadhibou, Mauritania
Total mass (TKW): Approximately 780 grams
Weight: 1.3 g / 0.00287 lb
Measurements: 13 x 11 x 10 mm / 0,512″ x 0,433″ x 0,394″
History: Meteorite NWA 15523 is a true rarity from deep space. It was found in the Sahara in 2022 by local prospectors exploring the Hassi Khebi region. Its name, like that of many meteorites found in this area, comes from the generic term NWA (Northwest Africa) followed by a catalog number. What makes this meteorite so special is its extremely ancient origin; it formed more than 4.5 billion years ago, even before the Earth as we know it existed. It belongs to the rare category of CM2 carbonaceous chondrites, meteorites that preserve primitive organic matter, such as amino acids, the very building blocks of life. Although its size is not large—the total recovered mass barely reaches 780 grams—each fragment is a cosmic treasure steeped in history. Its dark interior and powdery texture are reminiscent of volcanic rocks, but its true value lies in what it represents: the original material of the solar system, unchanged since its beginnings. Despite being a very recent discovery, NWA 15523 has already sparked the interest of collectors and space enthusiasts due to its similarity to the famous Murchison meteorite, one of the most important rocks ever to fall to Earth. More than 70 types of amino acids and basic sugars, essential ingredients for life, were found inside, which did not originate on Earth. Like Murchison, the NWA 15523 meteorite is a CM2 carbonaceous chondrite, and its primitive chemical composition makes each fragment an intact capsule from the birth of the solar system and a possible clue to the origin of life on our planet.

Includes information card and presentation box.
Link to The Meteoritical Society: https://www.lpi.usra.edu/meteor/metbull.php?code=78955

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