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

Home » Gemstones » Opal » Pinfire Opal

Pinfire Opal also known as Pinpoint Opal

Pictures of beautiful pinfire opals



What is a Pinfire Opal?



"Pinfire opal" is a name used for opal that has pinpoints of fire throughout the stone. The opal on the left is a pinfire opal cut from material mined at Coober Pedy, Australia. The stone on the right is a pinfire opal from the Constellation Mine in Spencer, Idaho. It is 6 millimeters by 4 millimeters in size. The video below illustrates the "play of color" in a pinfire opal.







Find it on Geology.com




More from Geology.com


Corundum
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
Yosemite Rock Fall Photos
Yosemite Rock Fall Photos: A photo sequence of a rockfall and debris avalanche by Herb Dunn.
Bloodstone
Bloodstone is a dark green jasper with a splatter of red color that looks like blood.
US Diamond Mines
US Diamond Mines: Did you know that diamonds can be found in the United States?
Facts About Copper
Facts About Copper: Information about copper uses, production, resources and more.
Crater of Diamonds
You Can Be A Diamond Miner! At the Crater of Diamonds Mine you keep what you find.
Diamond Production
Diamond Production leaders include: Botswana, Russia, Angola and Canada.
Iolite
Iolite is the gem variety of the mineral cordierite. An alternative to sapphire and tanzanite.


blue common opal from Peru
The opal on the left is a pinfire opal cut from material mined at Coober Pedy, Australia. The stone on the right is a pinfire opal from the Constellation Mine in Spencer, Idaho. It is 6 millimeters by 4 millimeters in size.




More Gemstones
  100+ Gems
  Aventurine
  Tanzanite
  Polka Dot Agate
  Bloodstone
  Extraterrestrial Gems
  Pictures of Opal
  Emerald

© 2005-2015 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.