McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams

Home » Gemstones » Opal » Crystal Opal

Crystal Opal

Pictures and video of crystal opals



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 colors. 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.








Find it on Geology.com




More from Geology.com


The San Andreas Fault
The San Andreas Fault: A feature that separates the Pacific and North American Plates.
Facts About Copper
Facts About Copper: Information about copper uses, production, resources and more.
Natural Gas Investing
Natural Gas Investing Kenny DuBose wants you to ask: Why did this deal come my way?
bear attack
Bear Attacks! Knowing how to react to a bear encounter and attack could save your life.
Methane Hydrate
Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
US Gemstones
United States Gemstones: A diversity of gemstones are produced in the United States.
caldera
Calderas are enormous volcanic craters formed by some of Earth\'s largest eruptions.
Ticks
Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.


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




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
  Extraterrestrial Gems
  Fee Mining
  Ant Hill Garnets
  Emerald
  Ametrine
  Scapolite
  Tanzanite
  Pictures of Opal

© 2005-2014 Geology.com. All Rights Reserved.
Images, code and content of this website are property of Geology.com. Use without permission is prohibited. Pages on this site are protected by Copyscape.