Gemstones
- Amethyst Frequency
 - What is the difference between powers of garnet, agates, jade, tourmaline and amethyst?
 - Legal Disclaimer
 - Does the mat produce negative ions when it is not plugged in? If so, how does it compare to when it is plugged in?
 - Why do you mainly use amethyst?
 - What is ceramic tourmaline? Why is it used rather than actual tourmaline?
 - Amethyst History and Properties
 - Where do the FIR rays come from?
 - Tourmaline
 - Is it real amethyst? If so, why it is not so expensive?
 - Jade
 - Do you know how many watts is the FIR emission and what microns is the infrared wavelength emitted by your mats?
 - Agate
 - Are Ereada® mats built only with amethyst and not with tourmaline?
 - Red Quartz
 - Garnet