※ Please note that there is no specific scientific evidence to prove the therapeutic effects of stones, but gemstone therapy meditation may induce a placebo effect that helps you relax the mind..Electroplate Non-magnetic Synthetic Hematite Beads Strands Electroplate Non-magnetic Synthetic Hematite Beads Strands, Flat Round, Platinum PlatedSize: about 8mm in diameter, 4mm thick, hole: 1mm; about 50pcs/strand, 15.