The new blocks: Sulfur Bricks, Chiseled Sulfur, Cinnabar Bricks and Chiseled Cinnabar should be categorized as construction blocks

The new blocks: Sulfur Bricks, Chiseled Sulfur, Cinnabar Bricks and Chiseled Cinnabar should be categorized as construction blocks, rather than natural blocks. Because they are further block products made by the player, and they can not be naturally generated.

Just like other variants of the bricks family and chiseled family, the new blocks should follow the same criterion.