I was placing down some ores, and there was a problem. When I placed down coal ore, it turned into gold ore, when I placed down redstone ore, it turned into lapis ore, and when I placed down lapis ore, it turned into diamond ore!
MC-92703
Problem when placing ores
Resolved
Cannot Reproduce
0
Joseph Jelinek
(Unassigned)
Unconfirmed
Minecraft 15w46a
Retrieved
After having MC-91085 and now this most probably your world is broken.
Create a new world and retry. If that's still happening,ZIP and attach that world here.