Comment by krunck

Rock dust ≠ AlO

"Aluminum oxide compounds generated by the entire population of satellites reentering the atmosphere in 2022 are estimated at around 17 metric tons. Reentry scenarios involving mega-constellations point to over 360 metric tons of aluminum oxide compounds per year, which can lead to significant ozone depletion."

https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024GL10...