Material: Tourmaline 9.5mm Origin: Brazil Size: Approximately 9.5mm (±0.5mm) Wrist size: Approximately 15.5cm (elastic) Weight: Approximately 28g Features and Meaning: This versatile type allows you to enjoy various colors unique to tourmaline, which has a rich color variation. We have a luxurious selection, from vibrant pink to calm brown tones. It has a glossy feel and blends well with the skin. Tourmaline is a natural crystal that originated on Earth over 10,000 years ago. The transparent and beautiful crystal is the birthstone for October and is treasured as the gemstone of hope in gemological terms. It is the natural stone with the most color variations. The name "tourmaline" is said to be derived from the Sinhalese word "turmali," meaning "mixed colors," from Sri Lanka. As the origin of the name suggests, it is a stone with a variety of colors. There are also tourmalines with dichroism, and some have multiple colors within a single stone. Product number: BG5939-95