Blue/Gray bead necklace

18” plus 3-4” extender bead necklace. Metallic gray beads gradually become larger and darker toward the center of the necklace with 5 glittery blue beads in between each gray bead mid center of necklace. Jewelry kept in a clean smoke free home. The first picture is at the shortest length and the latter at the longest length. Brand RMN, silver tone.