Material: Tourmaline 7.5mm Origin: Brazil Size: Approximately 7.5mm (±0.5mm) Wrist size: Approximately 15.5cm (elastic) Weight: Approximately 17g Features and Meaning: This versatile type allows you to enjoy a variety of colors, which is unique to tourmaline with its rich color variations. We have luxuriously gathered colors from gorgeous pink to calm brown tones. It has a glossy feel and blends well with the skin. Tourmaline is a natural crystal that was born on Earth over 10,000 years ago. The transparent and beautiful crystal is the birthstone for October and is prized as the gem 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") in Sri Lanka. As the origin of the name suggests, it is a stone with a variety of colors. In addition, there are tourmalines with dichroism, and some have multiple colors within a single stone. Product number: BG5939-75