In the scene where the fisherman bought some pearls to queen, the queen took
one pearl, said some prayer and gave it back to the fisherman.
After
After that the fisherman gave it to a female alien and told her to give it to her sister. After receiving the pearl from the female alien, her sister fed to some creature and the creature popped some pearls out from its body:.
Source: Valerian and the City of a Thousand Planets (2017)What's going on here?