Smeïra 003 is a Martian shergottite meteorite, specifically classified as an olivine-phyric shergottite.
Discovered in Northwest Africa in 2023, this rare meteorite with a total known weight of only 174.3g originated from Mars and provides valuable insights into the planet’s geological history.
Shergottites are volcanic rocks formed by molten lava, and the olivine-phyric variety is characterized by a high concentration of olivine crystals, embedded within a fine-grained matrix of pyroxene and other minerals. Olivine, a greenish silicate mineral, is a key component in Smeïra 003, giving it its "olivine-phyric" classification. These olivine crystals formed deep within Mars' mantle and were brought to the surface by volcanic activity before being ejected from the planet by a large impact event. The pyroxene and feldspar that surround the olivine in the matrix suggest that Smeïra 003 formed from rapidly cooled lava flows, further highlighting its volcanic origins.
What makes Smeïra 003 particularly important is its ability to offer scientists a glimpse into Martian volcanic processes, mantle composition, and crust formation. The study of Martian meteorites like Smeïra 003 can provide clues about Mars' history of volcanic activity, its internal structure, and even the potential for ancient water or life.
Because of its Martian origin and unique mineral composition, Smeïra 003 is highly valued by researchers and collectors. Its olivine-phyric nature makes it a distinctive specimen, contributing to our understanding of Mars' geologic and volcanic history.
Smeïra 003 is one of my classifications, and one that I am particularly proud of because of its low TKW (Total Known Weight) and its mysterious vugs, which are both fluorescent and phosphorescent.
