4.30 ct. Oregon Blue Opal - The Gem Trader Rare Gems

4.30 ct. Oregon Blue Opal

  • Color:  Medium Grayish-Blue
  • Clarity:  Opaque
  • Origin:  Oregon
  • Cut:  Cushion 
  • Treatments:  None
  • Measurements:  10.8 x 11.2 mm

Well polished and of a nice useable size, this an affordable and fairly distinctive US gem material.  The unusual gray-blue hue is not common in opal from other areas is nicely consistent here - it is reminiscent of a nice blue chalcedony.  Lovely stone with a fine luster and polish.

$12 / carat - $51 total