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kakangariite




A rare type of chondrite named for the Kakangari meteorite that fell in Tamil Nadu, India, in 1890. Only three kakangariite (K chondrite) specimens are known, the others being Lea County 002 and LEW 87232, with a total mass of less than 0.4 kg. All are rich in troilite (iron sulfide) and contain numerous chondrules. Their oxidation state is intermediate between those of enstatites and ordinary chondrites. Unique in their chemical composition and with an oxygen-isotopic signature that distinguishes them from other chondrites, K chondrites are thought to have originated in a small, primitive parent body.


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