Material: Tourmaline 6.5mm Origin: Brazil Size: Approximately 6.5mm (±0.5mm) Wrist size: Approximately 16cm (elastic) Weight: Approximately 12g Features and Meaning: This product has a cute and colorful color scheme, with a beautiful multi-color gradation. It also includes rare blue tourmaline, which is a recommended point! It is colorful and comfortable to wear, with an elegant finish that gives a gentle impression. 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 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 come from the Sinhalese word "turmali," which means "mixed colors" in Sri Lanka. As the origin of the name suggests, it is a stone with a variety of colors. There are also tourmalines that have dichroism, and some have multiple colors within a single stone. Product number: BG6010-65