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 …
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 …
Mineral Varieties and Other Names A-Z - The Mineral and …
Minerals A-Z List of Varieties and Other Names: Back to Minerals List | Filter List A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ALL
Amethyst from Rhode Island - The Mineral and Gemstone Kingdom
Amethyst from Rhode Island from Diamond Hill, Ashaway, south of Hopkinton, Washington County, Rhode Island
Citrine quartz: The yellow gemstone Citrine information and pictures
Citrine is the yellow to orange variety of Quartz. Natural Citrine is not common; most Citrine on the gem market is produced by heat treating Amethyst and Smoky Quartz. It takes a relatively low …