The most effective ways to farm Caelumite in Starfield are as follows:
The sheer amount of resources one can find in Starfield can be quite overwhelming, but CaelHowever, you will by no means obtain enough to upgrade and...

The sheer amount of resources one can find in Starfield can be quite overwhelming, but Cael
However, you will by no means obtain enough to upgrade and craft everything that requires this resource. Caelumite is a triple-S-grade mineral
Looking For Artifacts
Once you have played Starfield for a while, you will discover that the main storyline revolves around finding artifacts in
If you venture just a few meters away from the artifact, you will find Caelumite deposits everywhere.
One way to ensure that you don't accidentally sell them is to create a separate crate on your spaceship
From these two locations, you have no means of selling the resource.
Mark Down The Planets With Temples On Them
After progressing in the main storyline, you will eventually encounter Vladimir and undertake the quest "Into the Unknown."
These can be found by using the scanner screen on the planet. They will initially be marked as gray flags
You can find gravitational anomalies anywhere on the planet as long as it has one of the temples.
Once you have completed the
Find the planets mentioned in these quests, and you will acquire more Caelumite in no time.