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Martian Meteorites | Lunar Rocks | HED Group | PAC Group | Carbonaceous Chondrites | Rare Chondrites Last Updated: January 2022


The ureilites are named for Novo Urei, a rural village in the Mordova Republic, Russia, where several meteorites fell in late 1886. 

The ureilites are subdivided into two groups: the monomict main group and the less common polymict group. Main group ureilites are composed largely of coarse-grained olivine and minor pyroxene, mostly in the form of calcium-poor pigeonite, set in a dark carbonaceous matrix of graphite and diamond, nickel-iron metal, and troilite. Our recent find, El Gouanem, Morocco, is a rather typical member of the main group. Polymict ureilites consist of a mixture of different lithologies. Besides clasts from main group ureilites, they contain magmatic inclusions, dark carbonaceous clasts, chondritic fragments of different origins, and various other inclusions. This suggests a surface or regolith origin for the polymict ureilites, an assumption that is supported by the values for noble gases that have been implanted into the regolith by the solar wind.

NWA 2236

Found 1999, South East Morocco

Achondrite (Ureilite)

TKW :  only 29.8 g 
Shock stage S1, weathering grade W1.

Opx-Aug ureilite, NWA 2236 with Mg-rich olivine !!!


NWA 2236 - 00

Broken in several pieces, 13.80 gr

Endcut main mass covered of fresh fusion crust !

 price on request

NWA 2236 - 01

2.98 gr

      Very nice and thin slice for this rare Ureilite


NWA 2236 - 02

2.58 gr

Nice triangular endcut with crust and two windows !


Price on request



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