Classification: Ordinary (O) chondrite – NWA Unclassified

Observed fall: No
Year found:
City, Country: Northwest Africa
Mass: 405 g

In collection

Weight #1 : 405 g

Certificate of authenticity: Yes (1)

An Ordinary (O) chondrite labeled as NWA Unclassified refers to a meteorite discovered in Northwest Africa that has been identified as an ordinary chondrite but has not yet been fully classified into a specific subtype (H, L, or LL). Ordinary chondrites are the most common type of stony meteorites, accounting for about 80% of all meteorite finds. They are composed primarily of silicate minerals such as olivine and pyroxene, along with varying amounts of metallic iron-nickel and iron sulfide minerals. A defining feature of these meteorites is the presence of chondrules—small, spherical droplets of molten material that cooled and solidified in the early solar nebula over 4.5 billion years ago. Studying unclassified ordinary chondrites like this NWA specimen provides valuable opportunities to explore the diversity of meteoritic materials and gain insights into the processes that shaped the early solar system, even before detailed classification and analysis are completed.