6 × Smooth Black Quartz → 4 × Smooth Black Quartz Stairs
6 × Smooth Black Quartz → 4 × Smooth Black Quartz Stairs
No recipe of Actually Additions 1.3.26 uses Smooth Black Quartz Stairs.
Textures, models and item names © Ellpeck and the Actually Additions contributors (textures and models by BootyToast, GlenthorLP, canitzp and Ridanisaurus).
Recipes, names and numbers are read from the mod files of Actually Additions 1.3.26 for Minecraft 1.21.1 (NeoForge). Not affiliated with the mod authors, Mojang or Microsoft.