While I was working with Ice and Light blocks I encountered a weird visual bug where the ice is not nigh invisible or only partially visible in weird spikes on one side, but is normal on the other side. See attached images.
[[ http://i.imgur.com/IHYhkcl.png | What it should be ]]
[[ http://i.imgur.com/3ehtY3X.png | What it is ]]
[[ http://i.imgur.com/VCF8yYC.png | Spikes ]]
[[ http://i.imgur.com/MFLEHIj.png | Almost the whole face of the orb is invisible ]]
[[ http://i.imgur.com/Bfz2AyL.png | Row of 20 blocks only partially showing from the side ]]
[[ http://i.imgur.com/A5wYiFc.png | Other side ]]