Rock crystal wire of about 40 cm composed of 8 mm ball stones Description of the rock crystal wire of approximately 40 cm in 8 mm ball stones Meticulously selected by the teams of France Minerals, our 8 mm rock crystal threads are chosen throughout the world for their high quality. Like all our products, they are shaped and prepared in France in order to make quality jewelry. Made of stones cut into 8 mm balls, the 8 mm rock crystal wire is forty cm long. A member of the quartz family, rock crystal is a generally colorless stone that can come in many forms. It is currently mined from deposits in Brazil, the USA, Madagascar, the Himalayas and the Alps of Europe. Today, this mineral is one of the most widely used and appreciated. Discreet, it is a stone symbol of purity and the union of opposites. Easy to purify and recharge, just soak it for several hours in demineralized water and refill