Amethyst Gemstone is the purple variety of the Quartz mineral. Amethyst’s purple color can range from a light lilac to a deep, intense royal purple, and from brownish to vivid.

Amethyst is the purple variety of the quartz mineral species. It’s the gem that’s most commonly associated with the color purple, even though there are other purple gems such as sapphire and …

Because of its wine-like color, early Greek legends associated amethyst with Dionysus, the god of wine and pleasure. The Romans called him Bacchus. Other legends reflected beliefs that amethyst kept …

It is the purple variety of the mineral quartz. It was as valuable as ruby and emerald until the 1800s when more amethyst was found in the country of Brazil. It is the most valuable quartz gem. Today, many …

Today, because of its availability and affordability, amethyst is used in mass-market jewelry as well as custom designer pieces. This makes amethyst one of the world’s most popular colored gems and the …

GIA’s Guide to Gemstones: Gem Encyclopedia GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional …

Where is Amethyst Found? Russia was the major source of amethyst until the 19th century, when large deposits were found in Brazil. Once as rare as ruby or emerald, amethyst was suddenly in …

Amethyst, the purple variety of quartz colored by interstitial Fe3+ (Cohen, 1985), forms in a number of geological settings, but always at relatively low temperature (≤400°C) and shallow crustal depth …

3 Ametrine In Bolivia, amethyst and citrine colors can occur together in the same crystal. These unique gems are called ametrine.

When quartz displays the colors of amethyst and citrine in a single gem, the material is called ametrine or amethyst-citrine. Ametrine’s only commercial source is the Anahi mine in Bolivia.