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. 15mm x 15mm Purchase Added! Lake Superior Agate Bead. Comes with adjustable 20-28” cord. 15mm x 15mm Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More