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  • The Gemstone Amethyst - The Mineral and Gemstone Kingdom
    Amethyst was once highly regarded among the precious gemstones like Ruby and Emerald, but discoveries of huge Amethyst deposits since the 1800's have made Amethyst fairly inexpensive and very obtainable Amethyst colors range from light to dark purple, and the transparent deep purple colors are the most highly regarded
  • Amethyst: The purple Quartz mineral Amethyst information and pictures
    Amethyst is one of the most popular gems It has a beautiful color and is fairly common, making it an inexpensive and widely used gem Most Amethyst is faceted into jewelry cuts, and some are cut as cabochons Large, massive chunks of Amethyst banded with Quartz is sometimes carved into ornaments Amethyst is also very popular among mineral
  • Quartz: The gemstone Quartz information and pictures - The Mineral and . . .
    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 Citrine Citrine is the yellow, orange, or reddish-brown variety of Quartz It is usually colored by heat treatment of Amethyst or Smoky Quartz Light yellow or lemon
  • Citrine: The quartz mineral Citrine information and pictures
    It is a widely used as a gemstone, and after Amethyst it is the most popular Quartz gem Most Citrine is formed by heat treating purple Amethyst Citrine may also be produced by heat-treating Smoky Quartz from certain localities In some Amethyst deposits, the Amethyst has been partially or fully changed over to yellow Citrine by natural means
  • Ametrine: The gemstone Ametrine (Amethyst, Citrine) info pictures
    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 individual gemstones The unique color combination of Ametrine has sparked an interest and appeal to this distinctive gemstone
  • African Amethyst - The Mineral and Gemstone Kingdom
    Amethyst originating from the continent of Africa This term in the gem trade usually applies to deeply
  • Amethyst Quartz - The Mineral and Gemstone Kingdom
    Mixture 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 purple and white Amethyst Quartz is usually tumbled or polished into beads
  • Green Amethyst - The Mineral and Gemstone Kingdom
    Green Amethyst - The Mineral and Gemstone Kingdom Minerals net Complete Information Guide to Rocks




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