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Varieties of Opal Gems


Oregon Fire Opal Gems  These gems are mainly from the Juniper Ridge Fire Opal Mine.  These gems range in grade from "Good", "Fine", and "Extra Fine" and in colors that range from light yellow to orange, reddish-orange, red-orange/orange-red, to nearly "Cherry Red".   Most of the material is a yellow to orange  "Good" grade with a slight haze, but cuts into attractive affordable gems.   The Oregon material is available in larger sizes than can be obtained from most other sources.

Nevada Fire Opal Gems  These gems are mainly from various mines in the Virgin Valley area.  The grades range from "Good" through "Extra Fine".  The colors are primarily orange, reddish-orange, and near "Cherry Red".   The transparency tends to be be very good.


Mexican Fire Opal Gems  These gems are from unspecified Mexican locations,and are mostly orange to reddish-orange in color.  They are smaller in size, and the grades are generally "Good to Fine" to "Fine".   Although generally smaller, the high transparency of the Mexican material results in very bright and colorful gems.
 

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