Prayer Turquoise Silver Necklace. Inspired by Prayer Plant: Gratitude - if you want to give someone a "thank you" gift, this is the one. It also brings good luck and positive energy. Pendant: 30x 18.5mm. Solid 925 sterling silver, genuine turquoise. Length: 16-18" Chain: hypoallergenic stainless steel / sterling silver ball chain By Sowell Jewelry. Stamped with “925” and “SJ”.