Jewelry Shop › Lake Superior Agate bead Image 1 of 1 Lake Superior Agate bead $50.00 Lake Superior Agate bead. Comes with adjustable 20-28” cord. 10mm x 15mm Purchase Added! Lake Superior Agate bead. Comes with adjustable 20-28” cord. 10mm x 15mm Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More