Material: Amethyst 9mm Origin: Brazil Size: Approximately 9mm (±0.5mm) Wrist size: Approximately 16cm (elastic) Weight: Approximately 23g Features and Meaning: This amethyst has a transparent and deep purple color. It has few cracks and a beautiful color that gives a mellow luster. It is the birthstone for February, so it is recommended as a gift. Amethyst, also known as "Purple Crystal" in Japanese, is a purple variety of quartz. The purple color is believed to be caused by trace amounts of iron ions. Amethyst is considered the "stone of love's protection" and the "stone that protects true love." The purple color of amethyst has been loved by many people since ancient times. In Japan, it is considered the most noble color and has been highly valued in religious ceremonies. By the way, it is ranked as the highest among the color variations of crystal. Also, as it is called the "stone of love's protection," it is said to give the power to protect true love by fostering "love and compassion." Product number: B1493-9