Dar al Gani 978, C3-ungrouped
This meteorite has several pairings, with classifications including: CV3, CK3, and C3-ungrouped. DaG 978 is officially published as a C3-ungrouped carbonaceous chondrite. We donated a ~30 gram windowed stone to UCLA solely for study, and comprehensive work done there conclusively showed that this meteorite is not closely related to any known groups of carbonaceous chondrites.
Here’s a link to the paper, which draws upon a variety of literature on various carbonaceous chondrite groups:
Here are some photos of a 160 gram end-cut of this odd meteorite.