The barrier block particle doesn't appear when holding a barrier block. Also, the barrier block's breaking particles are those of the 'missing texture' block.
Linked issues
duplicates 1
Attachments
Comments 4
Fixed for a future version. MC-57883
Although the missing break textures are now fixed, please re-open this; barrier blocks are still invisible while holding the barrier item in 1.9.
See MC-83003 for that.
If this is a duplicate, my search words were barriers.