Amethyst Quartz: The purple gemstone Amethyst information and …
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 …
Amethyst: The purple Quartz mineral Amethyst information and …
Amethyst is a well known mineral and gemstone. It is the purple variety of the mineral Quartz, and its most valuable and prized variety. Its name derives from the Greek "amethystos", which …
Quartz: The gemstone Quartz information and pictures
Amethyst Amethyst, the purple variety, is the most popular and valuable Quartz gemstone. Amethyst ranges from light to dark purple. See the Amethyst gemstone page for more details. …
The Mineral and Gemstone Kingdom: Image Photo Gallery
Although Amethyst, the purple variety of Quartz, and Citrine, the yellow/orange variety of Quartz belong to the same scientific mineral classification, they have always been distinguished as …
Ametrine: The gemstone Ametrine (Amethyst, Citrine) info
Although Amethyst, the purple variety of Quartz, and Citrine, the yellow/orange variety of Quartz belong to the same scientific mineral classification, they have always been distinguished as …
Citrine: The quartz mineral Citrine information and pictures
Citrine is the yellow to brownish-red variety of the mineral Quartz. It is a widely used as a gemstone, and after Amethyst it is the most popular Quartz gem. Most Citrine is formed by …
Mineral Varieties and Other Names A-Z - The Mineral and …
Complete index of minerals varieties and other names.
Amethyst Quartz - The Mineral and Gemstone Kingdom
Amethyst Quartz - The Mineral and Gemstone KingdomMixture of Amethyst and Milky Quartz (or clear Quartz). It is purple on top and white or clear on the bottom. It may also be banded …
Minerals - Comprehensive guide to Rocks and Minerals
Interactive guide to hundreds of rocks and minerals.
Canadian Amethyst - The Mineral and Gemstone Kingdom
Canadian Amethyst - The Mineral and Gemstone KingdomAmethyst with an internal coating of red Hematite under the crystal surface, found near Thunder Bay, Ontario, Canada.