Vintage Blue Denim Coral Round Beads Restrung Sterling ClaspA beautiful strand of natural blue coral (Heliopora) in soft denim and slate grey tones, finished in a smooth matte polish. The beads show the classic radial growth patterns and pore structure of genuine blue coral, with gentle variations in tone that reveal the natural calcium matrix below. A rare and striking natural material with an understated, mineral like look. Restrung for safety with sterling sliver clasp. Length 17; largest bead 13 mm, weight