Shop › Coastal Black Glass Bead Bracelet Image 1 of 3 Image 2 of 3 Image 3 of 3 Coastal Black Glass Bead Bracelet $30.00 sold out 10mm black glass round beads, agate crackled bead, stretch bracelet.*Agate shades vary between brown and black. Sold Out Added! 10mm black glass round beads, agate crackled bead, stretch bracelet.*Agate shades vary between brown and black.