Black Onyx Circlet This beautiful circlet has black glass beads, silver plated filigree beads, silver plated accents, silver plated chain and silver plated crescent moon pendant with black onyx gemstone. An elegant headpiece. 20" long can be adjusted to 24". Lobster clasp. Black Onyx is known as a powerful protection gemstone. Its black color is associated with the night, symbolizing strength, perseverance, and the ability to overcome challenges. It is believed to absorb negative energy and provide emotional and physical strength to its wearer. renaissance medieval gothic victorian art deco goth art nouveau headpiece style