Dani Black Onyx Gold Drop EarringsDani Black Onyx Gold Drop Earrings 18CT Gold Vermeil on Sterling Silver GEMSTONE BLACK ONYX Shiny and Polished finish Look GEMSTONE BLACK ONYX December Birthstone, enhances the strength of protective energies, self control, decision making, intuition. It is a powerful stone as it absorbs negative energy of people to release mental stress and promote emotional well being. Note that the colour and translucency in gemstones differs from piece to piece