I set one of my materials to translucent for exporting; the light blue shown in the render below to be exact.

In-game, look at what bullstuff happens:


Any mesh behind the translucent mesh (Only mesh that is apart of this model) shows through the translucent blue and makes the blue entirely invisible. The normals arent reversed, I havent screwed with any settings, nothing, it just happened.
I havent had this happen ever before even with similar situations. The purple is supposed to be inside of the translucent blue to give a crystal-like appearance.
Ive done something very similar to this before and it worked just fine, but now it is not. Help?