So i tried to summon an ArmorStand with this command:
/summon ArmorStand ~ ~ ~ {NoGravity:1,Equipment:[{},{},{},{},{id:diamond_ore}]}
The problem is that the command does spawn the ArmorStand but doesn't place the diamond ore as "helmet". I suppose this is a bug.
Linked issues
Comments 3
Duplicate of MC-85544 – If you searched the tracker before creating this report, and were unable to find the indicated ticket, please comment with the keywords you searched for so that the original report can be improved.
Try to use this command:
/summon ArmorStand ~ ~ ~ {NoGravity:1,ArmorItems:[{},{},{},{id:"diamond_ore"}]}
Regards