help! not getting glimmer shards and fragment!

[LadyJessicaAtreides]

i need help, i am not getting glimmer shards or fragments from both the gate and greselda's castle!

[meme1098]

Sometimes they just don't drop. I had that problem a lot. Do you have Greselda's garden? Sometimes you get a dark plant or seeds from there.

[DessertWolf]

It make take multiple tries from collecting from these buildings to get what you're looking for, good luck!