Graphical glitch in dragon egg (particles and item)

Shown in the accompanying video shows a graphical glitch that from 1.4.2 in the dragon egg

To this in the air, egg texture becomes a block.

Steps to Reproduce:
1. Grab a dragon egg and click with the right
2. The particles out to the side and the egg to another.
3. Dropping the egg to be transformed into a block

*Sorry if misspelled, i use google translator.