Summary
Ryugu is a relatively small object with no atmosphere, which makes it more susceptible to space weathering. Understanding space weathered can actually help us understand the evolution of asteroids and the Solar System. The longer it takes to find a meteorite, the more information can potentially be lost.
Researchers found that the three framboids in question did not have magnetic chemical structures. This made them drastically different from magnetite. The researchers think this mystery object was rather small, or it would have had to have been moving incredibly fast. This is where space weathering comes in.