This is another of the great new and rare meteorites from the
Sahara. It is classified as a Stone, Chondrite Rumurutiite, (R3.9).
This meteorite was
found in many fragments and small individuals, very fresh but sandblasted. It is
one of the rarest meteorite types with only 19 Rumuruti type meteorites
known, and of that only 8 that are not from Antarctica.
This unique group of chondrites has basically no FeNi-metal in comparison to other chondrite groups. They are similar to carbonaceous chondrites and have a high olivine content within a high proportion of matrix, reflecting their highly oxidized nature. The R chondrites also have the highest 17O value of any other solar system material.
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