Aluminum is one of the most important resources to have, both when starting out, and even in the later game. At first, it may seem like a hard resource to get, but I will show you in this article how easy it is to get aluminum in astroneer.
Find Laterite
Before you make aluminum, you first need laterite. Laterite is found in the caves of the starting planet.
This is what laterite looks like.
Smelt
Next, you are going to want to smelt the laterite you get into aluminum.
That's basically how you get aluminum!
Alternative Method
You can also use the trading platform to get laterite. Either of these methods are extremely easy.