This is a stunning AAAA grade bracelet made with Auralite Quartz, known for its exceptional transparency. Size: Bead size: Approximately 11mm Inner diameter: Approximately 16.5cm The mineral name is Limonite in Quartz, and it is a very rare type of quartz. It forms when water containing metallic mineral components such as hematite and limonite (limonite) enters cracks in the quartz. Over a long period, the water evaporates, and only the components recrystallize into a film-like form. Due to the beautiful, shimmering scale-like details within the water, it is also known as "Goldfish Crystal" in Japanese. Limonite is natural rust, so it can turn black if it oxidizes too much. Therefore, those with inclusions that retain their color are considered to be of higher value. Auralite Quartz is said to be a stone with spiritual effects that draws out potential abilities and blossoms inspiration and creativity. It is also popular as a "lucky stone" that attracts opportunities by removing negative thoughts and anxieties, ultimately leading to business success and wealth. Auralite Quartz is believed to draw out potential abilities and open up inspiration and creativity. It is also popular as a lucky stone that removes negative thoughts and anxieties, attracts opportunities, and brings about business success and wealth. Thank you for viewing.