Blocks / Small Obsidian Brick Stairs Small Obsidian Brick Stairs blockus:small_obsidian_bricks_stairs blockus Waterloggable Physics Properties Explosion Resistance 1200.0 Hardness 50.0 Friction 0.60 Speed Factor 1.00x Jump Factor 1.00x Block Behavior Has Collision Yes Is Air No Can Occlude Yes Requires Correct Tool Yes Waterloggable Yes