simple and organic, start with a square druzy quartz stone, bezel set in gold, black lava rock beads, and gold nugget spacers alternate Finish with a lobster clasp. Gorgeous!! specifications: 10mm square Druzy Quartz Focal bezel set with a solid back 8mm black pumice lava rock beads 4mm nugget spacers in gold 7" from end to end with a lobster clasp closure and a 2-1/2" adjustable chain, these can be small, medium and large. constructed of acculon wire that is extremely strong and durable, these will not break.