These are all the different deepslate brick varinats: Deepslate brick, cracked deepslate brick, polished deepslate, deepslate tile, cracked deepslate tile, chiseled deepslate. Phew! That's quite a lot of variants. Here are the crafting recipes:
4 Cobbled Deepslate -> 4 Polished Deepslate
4 Polished Deepslate -> 4 Deepslate Brick
1 Deepslate Brick ->FURNACE-> 1 Cracked Deepslate Brick
4 Deepslate Brick -> 4 Deepslate Tiles
1 Deepslate Tile ->FURNACE-> 1 Cracked Deepslate Tile
2 Cobbled Deepslate Slabs -> 1 Chiseled Deepslate
Credits: I got the textures from the Pixel Papercraft Block Generator:
1. Click on the papercraft design image.
2. Make sure it has not been resized by your browser (you might need to click the image again).
3. Print using your browser's Print function.