Jewelry Shop › Lake Superior Agate Bead Image 1 of 1 Lake Superior Agate Bead $55.00 Lake Superior Agate Bead. Comes with adjustable 20-25” cord. 11mm x 20mm Purchase Added! Lake Superior Agate Bead. Comes with adjustable 20-25” cord. 11mm x 20mm Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More