Chiseled Polished Blackstone
minecraft:chiseled_polished_blackstone
A placeable block. Obtained by crafting, with a stonecutter.
How to get it
Crafting 
→
Chiseled Polished Blackstone
Stonecutter 
→
Chiseled Polished Blackstone
Stonecutter →
Chiseled Polished Blackstone