There's a bug with dropped items, when you make sand/gravel fall all the dropped items loose their texture, and get again when blocks fell
MCPE-6164
dropped items glitch
Resolved
Cannot Reproduce
0
(Unassigned)
Unconfirmed
Android
dropped, gravel, item
0.8.0 beta build 4
Retrieved
Cleaning up old issues, please reply if affecting 0.9.3