Amethyst is the most highly valued stone in the quartz group. The name means "not Drunken", as amethyst was worn as an amulet against Drunkenness. Crystals are always grown onto a base. Prisms are usually not well developed,therefore are often found as crystal points (pointy amethyst) with the deepest colors.
Heating : Heat treatments between 878 and 1382 Degrees F(450-750 Degrees C) Produces light yellow, red brown, green or color less varieties. The original color can be restored by X-Ray radiations. The coloring agent is Iron. In artificial light, amethyst does not display as desirable quantities.
Mineralogy: Very deep violet crystal quartz( Trigonal, Primary)
Spiritual aspect- Uprightness, Impartiality.
Spiritual : Will power, Helps overcome pain, griefs and losses