Blocks / Small Obsidian Brick Slab Small Obsidian Brick Slab blockus:small_obsidian_brick_slab 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