I received these corals in a trade and I'm not sure exactly what they are... I thought trumpets or blastos at first, but they've got a really interesting texture and color. The person who fragged them also didn't leave any skeleton, and said to place them in rubble to attach? Can't wait until I can put these in the main display. 
Here's from my tank:
Here is their established colony:

Here's from my tank:
Here is their established colony:

