Lemon Quartz 14mm Faceted Star - 15-16 Inch Hole Size_1.7mm Amethyst is a beautiful purple

Amethyst is a beautiful purple stone

The blue color

Unsealed granite may discolor when exposed to oil

There is another form of Peridot that is not even native to the planet

The blue colors are photosensitive and may fade when exposed to excessive light or heat

Lemon Quartz 14mm Faceted Star - 15-16 Inch Hole Size_1.7mm Amethyst is a beautiful purpleLemon Quartz is a trade name for color enhanced yellow quartz. Gamma ray irradiation, followed by a mild heat treatment gives it the bright yellow color. **Please note that no there is no residual radiation in the stones after processing, and the Nuclear Regulatory Commission has stated that they are safe to handle and wear.** Yellow quartz is rhought to enhance clarity, happiness, and balance.