Malachite

Malachite is one of the Resources in Astroneer. It is mined from tall green crystalline deposits and can be refined in the Smelting Furnace to produce Copper.

Source
Malachite can be found in clusters above ground on the following planets:

The gives 1 Malachite for every, up to 8 total for 8.

Uses
Malachite is used to craft the following items:

Media
Malachit Malachite Malachite Малахит