BRA-HEM-14 Origin: China Grade: A Dimensions: Approximately 17-18cm - Fits all wrists sized 16 to 18cm Weight: Approximately 30g Origin: China Grade: A = good Bracelet made of 7-8mm rainbow hematite beads. Patterns and colors may vary from one bracelet to another Hematite is primarily composed of oxygen, iron, titanium, aluminum, manganese, and a large amount of water. It belongs to the oxide family and is the most common iron oxide on Earth. It has also been found on Mars. Its iron content, lower than that of magnetite, can reach 70%. This mineral ranges in color from black to silver-gray, brown to red, or completely red.