Amethyst victoria. Amethyst ranges from light to dark purple. Much Amethyst is also heat treated t...

Amethyst victoria. Amethyst ranges from light to dark purple. Much Amethyst is also heat treated to intensify color, and a green transparent form known as "Green Amethyst" or "Prasiolite" is formed by heat treating certain types of Amethyst. Green Amethyst - The Mineral and Gemstone Kingdom Light green gem form of Quartz that is artificially colored by heat-treating certain types of Amethyst. This terms is also sometimes used in the gem trade to refer to any South American Amethyst. See the Amethyst gemstone page for more details. Today, because of its availability and affordability, amethyst is used in mass-market jewelry as well as custom designer pieces. Amethyst Quartz is usually tumbled or polished into beads. Amethyst Quartz - The Mineral and Gemstone Kingdom Mixture of Amethyst and Milky Quartz (or clear Quartz). Amethyst from Rhode Island from Diamond Hill, Ashaway, south of Hopkinton, Washington County, Rhode Island African Amethyst - The Mineral and Gemstone Kingdom Amethyst originating from the continent of Africa. The Romans called him Bacchus. sahzu lovuz vtlst hwpc nulp dqoncex ywyu ytde vjazt ygahfbrj