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2.7 gram full slice. 26 x 21 mm.   R3-5

Rob writes:

A very rare fresh brecciated Rumuruti chondrite.

Based upon its brecciated texture, NWA 7303 might very well be a regolith breccia. It has not been tested for noble gasses to prove this hypothesis though.

Although nice fresh R-chondrites like NWA 5469 and it’s probable pairings NWA 6145/6220/6280/6848/etc. were found in recent years, next to Rumuruti (67g) itself not many fresh regolith breccia’s are known. Most known R-chondrite regolith breccia’s are weathered, and show brownish staining in cut sections. This meteorite nicely shows us what the material looks like, at the moment it arrives at planet earth.

More photographs of NWA 7303 can be found at:

• Pictured slice with several detail photographs of the interior(!!!)
• End cut and largest remaining mass

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