4 smooth stone in a crafting 2x2 square gives you the same exact thing.
I don't know if this is intended but it seems useless and unintended.
MC-52550
Craft 4 Smooth Stone For 4 Smooth Stone
Resolved
Duplicate
0
Mason Ginter
(Unassigned)
Unconfirmed
Minecraft 14w11b
Retrieved
Duplicate of MC-506
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