Smoky Quartz and Onyx Silver Necklace Smoky quartz is said to have the effects of mental stability and warding off evil. Its calm color makes it a stone that won't go out of style and can be loved for a long time. Longevity and Happiness Black onyx, also known as the stone of longevity, is said to bring happiness and abundance. "It has a presence and an elegant shine... but I apologize. Due to my lack of skill in uploading images, I cannot convey its elegant and beautiful shine." Pendant Top Smoky Quartz: Length approx. 2.5cm Width (center) approx. 1.7cm Onyx part: approx. 1.5cm Chain Length (excluding onyx head) Approx. 39cm on each side Clasp length: approx. 4cm (There is an engraving at the tip of the clasp.) "I have lost the precious metals and gemstones guarantee certificate, so only the necklace in the image will be provided." Thank you for looking.