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.

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 …

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 …

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 …

Common substances like sand and dust are composed mostly of quartz, the mineral species that includes the purple variety amethyst. So, while amethyst is a great gemstone for use in jewelry, it …

Amethyst from Boudi, Morocco Fabrizio Troilo, Abdelghani El Harfi, Salahaddine Mouaddib, Erica Bittarello, and Emanuele Costa , 四月 30, 2015 阅读详细内容（英语） 摩洛哥紫水晶：采矿和营销 …

May 8, 2017 · Characterizes gem-quality amethyst from the La Manche deposit in the Avalon Zone of Newfoundland, Canada.

这颗紫水晶产自 Namibia（纳米比亚）。 它为典型的水晶晶体：顶部为金字塔状的六面柱状晶体。 由 Fine Minerals International（精细矿产国际）的 Daniel Trinchillo（丹尼尔·特林赤罗）友情提供 紫水 …

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 …