Moon Shadow, Quartz Crystal And Onyx Necklace Edition: Unique Quartz Properties: Master healer, quartz clarifies, purifies, protects, inspires, guides, and enlightens. Onyx Properties: Stone of protection, willpower, focus and strength, it aids in drive and motivation, pushing you forward in life. Materials: Hand sculpted epoxy, gold patina, resin, clear quartz crystal from Brazil, diamond cut onyx from Indonesia, brass vintage herringbone chain.