How to find fire opal This fire opal weighs a spectacular 132 carats. In the Willow Creek area, opals vary from light blue, deep red, or even salmon pink to white and pale blue. To do this test, you will need a scale, a beaker with water and the opal. Where to Find Fire Obsidian Both common opals and fire opals are easy to find in Idaho. The most famous location is Opal Butte, which is a large volcanic cinder cone in Morrow County. It is best to wear as a necklace or ring, keeping it close to the body. They are homogeneous and have no ordered column structure or lizard skin effect when viewed from different directions. They are found mainly in Mexico, but have also been mined in Java, Fire Opal is found in Queretaro, Hidalgo, Guerrero, Michoacan, Julisio, Chihuahua and San Luis Potosi states of Mexico. Five best places in Australia to fossick for opals: 1. Knowing how to find opal in Texas means looking for the right geological clues, like areas with past hydrothermal activity which is typical for opal formation. rkmorfcloonbdzybstewjrdxoajmfiljtgrkxzcougnjqlhbzusdooliiihqqkpitlyygvkno