Handmade. Tourmaline and Cat's eye natural gemstone beads. Bracelets length/ Circuit: inside size from 15.5 cm to maximum 16 cm / Diameter stones 1.0 cm / stretchable. Total weight: 51,4 grams Natural Gemstone Cat's eye, specifically Chrysoberyl, has a hardness of 8.5 on the Mohs scale. This makes it a relatively hard and durable gemstone, suitable for various types of jewelry. Tourmalines can also be found in all colors of the rainbow. It is believed that certain gemstones and minerals have beneficial health and spiritual properties. Catawiki cannot guarantee or be held liable for these suggested attributes which have no scientific evidence and cannot be considered a substitute for traditional medical treatment. Tourmalines possess a genuinely magical phenomenon that will amaze even the most cynical person. 18th century Swedish botanist Carl Von Linne, who invented the system of naming organisms still used today, called tourmaline "the electric stone." Tourmalines are a high quality gemstone much sought after by jewelry makers. They range from the simple black much loved by those with a spiritual bias to the almost impossibly expensive and flashy neon blue Paraiba tourmalines found in the most exclusive jewelers. Tourmaline is also highly regarded in the spiritual realm. It brings healing powers to shamans or medicine men. It is what is called a “receptive stone,” which means it is soothing and calming, magnetic and spiritual, promoting meditation, wisdom and mysticism. Shipping registered.