Amethyst is the purple variety of the mineral Quartz and is its most famous and valuable gem variety. Quartz also contains other gemstones such as Citrine, Rose Quartz and Smoky Quartz. The colour of Amethyst is most often caused by iron impurities, though it can also be coloured by natural radiation exposure.
Amethyst is a powerful and protective stone that guards against psychic attack, transmuting energy into love and protecting the wearer.
This Amethyst quartz is perfect for beginner and experienced faceting.
Crystal System: Trigonal crystal system
Mineral Family: Quartz.
Chemical Formula: SiO2
Hardness (Mohs): 7
Specific Gravity: 2.63-2.65
Refractive Index: 1.54-1.55