Jewelry Shop › Lake Superior Agate Bead Image 1 of 1 Lake Superior Agate Bead $50.00 Lake Superior Agate Bead. Comes with adjustable 18-24” cord. 13mm x 20mm Purchase Added! Lake Superior Agate Bead. Comes with adjustable 18-24” cord. 13mm x 20mm Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More