Material: Tourmaline 7mm Origin: Brazil Size: Approximately 7mm (±0.5mm) Wrist Size: Approximately 16cm (elastic) Weight: Approximately 15g Features: This is a fun type that collects various colors. It includes high transparency, rare colors, and those that display a cat's eye effect, making it recommended as a material for accessories. Tourmaline is a natural crystal that originated on Earth over 10,000 years ago. Its transparent and beautiful crystals are the birthstone for October and are treasured as the gemstone of hope. 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." As the origin of the name suggests, it is a stone with a variety of colors. There are also tourmalines that have the property of dichroism, with multiple colors within a single stone. B1444-7