Is this porites?

[jam_minn]

Hitchiker on a recent figi rock purchase. Growing well in 1 month 50 to silver dollar size. Any ID?
http://i262.photobucket.com/albums/ii99/jam_minn_photos/idcoral147.jpg

 

[jam_minn]

Here is a shot when closed to show the skelatal structure.
http://i262.photobucket.com/albums/ii99/jam_minn_photos/idclosed003.jpg