Assuming you are attempting to get smooth basalt, the primary technique for getting is through amethyst geodes. The justification for why would that be the geodes will have an outter layer of smooth basalt.
So if you have any desire to find an amethyst geode, you can find them spawning after Y=70 underground and around bedrock levels. You can likewise find the geodes producing once in a while on the overworld, uncovered both in seashores and submerged.
You can likewise make smooth basalt from normal basalt, which you can get in the under Soul Sand Valley biome. In this biome, basalt will generate normally as support points. The following area you can find basalt is in the Basalt Delta biome, as the total of the biome is comprised of the square generally.
When you find basalt, you can then mine it with a pickaxe, and when you do, you can make smooth basalt by putting it inside a heater and cooking it.
Alongside this, the player can likewise make cleaned basalt on the off chance that they place the customary basalt inside a stone shaper. On the off chance that you don’t have a stonecutter as of now, you can make one with three stone squares and one iron ingot.