Single 16.55 kg piece
Recognized as a meteorite 1998
Classified as an angrite 2000
Angrites have been considered to be basaltic
on the d’Orbigny meteorite is providing evidence that it was not formed
conventional igneous processes on a differentiated asteroid. Some workers suggest a rare condensation
process in the early solar nebula. The
main constituents are anorthite and zoned olivine and augite.