Teraherz Mini Faceted skull

The terahertz stone, an ore produced by extracting silica from sand or quartz was discovered by Japanese scientists a decade ago to have a terahertz vibration frequency which lies between that of microwaves and far infrared light on the electromagnetic spectrum with its frequency ranging from 0.1 to 30THz.

7 oz.
2.5x2.5x1.75 inches