Its not an egg sack...When I broke it open it had the texture of an apple and gushed water. It smelled leafy too. I'm pretty sure it was just a mutation...
This one is much better, but I actually like the other one better. Probably because this one is closer to square while the other is more triangular. This of course simply being my taste in photos.
. . . Triangular?
Weird...I like it!