I attempt to accurately represent and describe cut stones and rough
as to appearance, size, origin and fully disclose any known
treatments in its description. Because you view the images on a
different monitor with different settings, color is particularly fickle
to represent, but I do my best.
Ultratec - As they say, "The makers of the world's finest faceting equipment."
The Origin of Colors In Minerals by Kurt Nassau - The
definitive explanation of the causes of colors in gemstones.
The Smithsonian Gem and Mineral Collection - Some of the most
beautiful gemstones in the world!
Tsavorite Buying Guide - An excellent article concerning the Holy Grail of
colored stones:  Tsavorite Garnet, by Richard W, Hughes.
Minerales y Metales del Oriente - The operator of the legendary
Anahi Mine in Bolivia. This mine is the only producer of true gem quality
ametrine in the world. The
only place to go shopping for ametrine rough!
Guide to Gemstone Values - This site gives a fairly clear way to see
the value of colored gemstones, and includes historical prices.
Jeff Graham Website - This is an archived version of Jeff's
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Home       Finished Gemstones         Sold Gemstones        Facet Rough        My Designs        Testimonials        Clarity System        Links        How To Order
Jeff Graham on Andesine - Here is an article written by the late
Jeff Graham on the andesine "find".
The Agate Works - Agate cabochons for sale.
Absolute Quartz Crystals - Sells all things quartz, and has a really large set of links!
Dan Starr's Wine List - My current listing of wines!