NWA 4473 is an exceedingly rare Polymict Diogenite Breccia meteorite. This remarkable meteorite was originally believed to be lunar due to the telltale whitish clasts that look nearly identical to ones in known lunar meteorites. It is a very unusual breccia composed of polycrystalline clasts and mineral debris derived from impact mixing of several different diogenite rock bodies. Unlike typical howardites and previously known polymict diogenites, it does not appear to contain any basaltic eucrite debris at all. NWA 4473 was acquired in Western Sahara during the summer of 2006 and was featured in the November 2006 issue of Meteorite Magazine. It is a very solid and fresh meteorite that takes an excellent polish. The total known weight is 7 kg, most of which consists of the main mass.

Article about NWA 4473:
Hupé, G.M., (2006) Dynamic Duo - Spirit Lives and Opportunity Knockds! (article).
Click here to read about the discovery of NWA 4473

Meteoritical Bulletin entry for NWA 4473:
Click here for the Official classification of NWA 4473

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