Photo credit: Bored Panda
It may look like a fiery sunset, but the image above actually shows a fire opal. This translucent opal boasts warm body colors of yellow to orange to red. The most famous source of fire opals is the state of Queretaro in Mexico, and are sometimes cut in their rhyolitic host material if it is hard enough to allow cutting and polishing. Continue reading for more. Click here for a few bonus images.