Tourmaline has a mysterious property that produces various colors due to minute differences in the elements contained and is charged with electricity. If the environment changes during the crystal growth process, the color of a single crystal may differ. This is a chic knitting of an original bicolor tourmaline that clearly separates black and pink. Natural stone: bicolor tourmaline Decoration: Garnet Silk: Platinum (Hakkin) Edo Murasaki Adjustment: Smoky quartz (slide adjustment) [About Silk] This work uses silk. It is a delicate silk because it is a natural fiber, but it can be used for a long time with proper care. If you inhale sweat, gently tap it off with a tight towel. Handle with care as it is vulnerable to water and rubbing. After cleaning, place it in a well-ventilated place and store it away from direct sunlight.