suspicious stone

Are you serious about ancient cities, now here are these special stone stones spawning around, here are some stuff about the new feature.

1. there are underground patches of suspicious stone spawning underground and less common then rock veins and more common than ores. use a chisel, an item similar to the brush to excavate them, suspicious stone are weaker then normal stone, if excavated, the block breaks.

2. suspicious deep-slate will generate all around ancient cities, also there are suspicious sculk that can be break by hand to get the artifacts.

3. chisels can be used to attack mobs dealing one heart of damage, also chisels can be used in an extra slot in the stone-cutter, using it to create chiseled variants. at last, more chiseled blocks can be added.