Where can i found broken scourgestone piece ?

[Dzuggy]

Do you know where is the broken scourge stone piece, i have found almost two pieces of scourgestone but the last one which is named broken scourge stone i did not find.

[Jaspery Zephyr]

If you talk with the crazy guy at the Sandswept ruins, he will tell you about all three locations.
Captain of the Pirates on the Eastern Coast.

[Dhaark Phyre]

I don'f remember which one was where, but the broken one is either in the Passage, or Galaman's Tomb. If you haven't found the Passage, it is in the NE corner of the Jungle.