>>40612813
Yes you stupid fuck, through a process called concretion and they're not "perfect" you're just adding that detail as a cope. Are you there to measure them? No? Then shut up.
Read a fucking book sometime.
https://www.researchgate.net/figure/Formation-process-of-silica-concretion-Schematic-illustration-of-the-process-of-silica_fig3_349455521