Product Description ¯¯¯¯¯¯¯¯¯¯ Highest Quality Tibetan Himalayan Crystal (Iris Quartz) ・12mm ・Inner diameter 17cm This is a top-quality piece with outstanding brilliance and beauty. Please, take a look at it. Iris Quartz contains rainbows within its clear crystal. The way the rainbow sparkles depending on the angle of light is truly beautiful. As Iris Quartz is a type of crystal, it has versatile effects such as purification and power charging for other power stones. In addition, it is said to possess special energy not found in regular crystal. Origin ¯¯¯¯¯¯¯¯¯¯ ・Tibet