Material: Tourmaline 13-13.5mm Origin: Brazil Size: Approximately 13-13.5mm (±0.5mm) Wrist size: Approximately 17cm (elastic) Weight: Approximately 60g Features/Meaning: Some beads include cat's eye effect. This is a single strand packed with the charm of multi-colored tourmaline, which is very cute and has a rich variety of colors. The pink color, in particular, has a high color development and is eye-catching. 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 be derived from the Sinhalese word "turmali," which means "mixed colors." 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: BG6056-13-135