Inner diameter: approximately 16 cm Green rutile: approximately 9 mm - 9.5 mm Octagonal rutile: approximately 16.5 mm, thickness 10.2 mm Please note that there may be some slight variations. Green Rutile Green needle-like crystals are included within the quartz. These needle-like crystals are generally actinolite, epidote, or green tourmaline. The needles are few, but the transparency of the quartz is good and beautiful. Rutile Quartz This is a rare octagonal-cut rutile loose stone. The quartz has good transparency, and when the bead is moved, an iris appears from the cracks. In feng shui, the eight directions (east, west, north, south + the four directions in between) called "Hakkaku" are considered important. The octagon incorporates all eight trigrams, so it is believed to attract all kinds of luck in a balanced way. The octagonal shape is thought to "smooth the flow of energy." As it is a natural stone, there are cracks, inclusions, natural dents, black spots, color unevenness, fine scratches, etc. Natural Stone Natural Stone Bracelet Design Bracelet Green Rutile Quartz Gold Rutile Quartz Power Stone