For Leo signBlack Onyx Anchor Necklace - dangling, rosary chain style, handmade necklace, petite, sparkling, long (50cm), made from black sleek onyx beads mixed with yellow agate, gold plated Anchor pendant, ivory white oval agate pendant with light green inclusions that according to some believers gets darker when the stone uses energy to protect the owner from an evil eye.The Black Onyx gemstone is said to be associated with the planet Saturn, and it is the birthstone for Leo, the zodiac sign. It is a soothing stone, and is good for wearing, especially during times of emotional turmoil. It is known to help release negativity, as well as to guard the wearer from the 'evil eye'.