Iridescent hematite / colorful hematite / rainbow hematite quality natural stone beads, 6mm/8mm/10mm, natural. - Drill hole sizes on MOST beads - 4mm beads: about 0.5mm; 6-8mm beads: about 0.7-0.8mm; 10-12mm beads: about 0.8-1.0mm.
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