Identifying metal beads

Dear Sir

I would like to inform you that we receive small beads, each bead has
3mgrams. after analyzing with X-Ray machine we found it contains
different type of elements such as (As , Au, ,Cu ). we try to
dissolve it in the Aqua Region (3HCl ,1 HNO3). What do know exactly
what those beads are?

raiya al-esry
muscat - oman