Hand crafted from sterling silver with quartz, obsidian and bronze. The offcuts of quartz and obsidian are collected and then fused together with melted bronze to form this gorgeous combination of metal and stone. Designed in Australia by Alan Myerson and ethically made by skilled artisans in Mexico. Approximate dimensions: 22 mm x 15 mm Approximate length (from top of hook to bottom of earring): 35 mm Quartz crystal is a power stone that's prized as a healing stone. It is known as the most powerful healing stone of the mineral kingdom, able to work on any condition. It has been called the "Universal Crystal" because of its many uses and is beneficial for manifesting, healing, meditation, protection and channeling.