Forsterite Chondrite

Forsterite Chondrites or F-Chondrites are presently only known as inclusions in other meteorites and described by certain lithologies of the Cumberland Falls aubrite. They are thought to have derived from a small and primitive asteroid of F chondritic composition that collided with the aubrite parent body shortly after their formation in the early Solar System. Mineralogical, they consist primarily of forsterite. Forsterite chondrites are intermediate between the H and E chondrites in terms of their chemical makeup. To date, no complete meteorites of this group have been found, and therefore this class should be considered hypothetical. NWA 7135 and El Médano 301 are both ungrouped chondrites purported to contain F-chondrite clasts.

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