Yes. They are the largest source of extraterrestrial mass.
https://www.sciencealert.com/5-200-tons-of-micrometeorites-a...
There’s also a nice coffee table book about them:
https://www.amazon.com/Search-Stardust-Micrometeorites-Terre...
apparently it was just a rock[0]
[0]https://www.universetoday.com/111076/follow-up-on-skydiving-...