Smokey Quartz AB Cube Crystal Beads - 8mm. Great for making necklaces, bracelets or other accessories, these cut glass beads are highly polished to give your handmade jewelry color and shine unlike any other! A must-have addition to your jewelry-making supplies, these Smokey Quartz AB Cube Crystal Beads are value-priced so you can have plenty to bring out the best in everything you string together. (48 pcs. per unit) 1mm hole.