Home » Gemstones » Opal » Crystal Opal

Crystal Opal


Pictures and video of crystal opals


Crystal Opal

Crystal Opal: The stone shown here is a crystal opal with blue to violet play-of-color. It is a calibrated 8 x 6 millimeter stone cut from material mined at Lightning Ridge, Australia.

What is Crystal Opal?

"Crystal opal" is a term used for a transparent to translucent opal material that has a play-of-color within the stone. Crystal opals are often faceted to produce gems that have internal play-of-color and fire exiting from the facets.

Photos shown here are a crystal opal cabochon with blue to violet play-of-color. It is a calibrated 8 x 6 millimeter stone cut from material mined at Lightning Ridge, Australia. Also a faceted Ethiopian crystal opal with a water-clear body color and internal play-of-color. It is four millimeters across.




Faceted Crystal Opal

Faceted Crystal Opal: The stone shown here is an Ethiopian crystal opal with water-clear body colors and internal play-of-color. It is four millimeters across.





More Gemstones
  100+ Gems
  Diamond
  Emerald
  Amethyst
  Pictures of Opal
  Ruby and Sapphire
  Labradorite
  Topaz

geology store

More From Geology.com:


gem photos
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Sliding Rocks
Sliding Rocks Mystery: What causes these rocks to slide across a Death Valley playa?
US Diamond Mines
US Diamond Mines: Did you know that diamonds can be found in the United States?
What Is The Moho?
What Is The Moho? Learn about the interior of the Earth and the Mohorovicic Discontinuity.
Ant Hill Garnets
Ant Hill Garnets - tiny garnets that ants haul to the surface and discard on their anthill.
largest volcano
The Largest Volcanoes on Earth might not be the ones that you are thinking about.
Yosemite Glaciers
Yosemite Glaciers: There are two active glaciers in Yosemite - but they are slowly melting away.
Olivine Rain?
Olivine Rain? Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68.