925 Silver Black Onyx neck, Picture Jasper Necklace and silver plated chain, 16 inches long. * metaphysical property of jasper: Jasper, in all its forms, is considered a powerful healing stone. Jasper is regarded as a gemstone that gives a sense of well-being, intensifying that feeling. Also a stone of gentleness and relaxation, fancy jasper's rich colours blend and complement each other so well for a complete sense of wholeness. * Black onyx brings good luck to its wearer and imparts immense strength and willpower. This dark stone helps you to focus on creativity and open up to wisdom. Your body, mind and spirit are all beautifully grounded by black onyx.