Jewelry designed and carefully handmade with beautiful natural (Blue Chalcedony) gemstone. Made with high quality,durable polyester waxed cord. Necklace max length approx 80 centimeters.(adjustable with slide louk) labradorite approx :20×30 mm Material :Brass,Blue Chalcedony Primary color:Elephant Gray Secondary color :Bluish Violet Recipient :Unisex adults, Women This product is handmade,and so each one cannot be 100% identical. <Care lnstruction> ▪Prolonged exposure of brass to water may lead to oxidation and discoloration. Please avoid water when wearing your brass jewelry. ▪If brass becomes tarnished as a result of discoloration or oxidation, please use a silver cloth and wipe the jewelry in one direction. This should restore luster to the brass. ▪To avoid oxidation, when not wearing, wrap your brass jewelry in tissue papers and put it in a plastic zipper bag. ▪Please allow for some variation in color as displayed on different devices and screens. Actual colors may vary.