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Fire obsidian is a captivating natural glass formed when volcanic lava cools rapidly, preventing the crystalline structure from fully developing. This rapid cooling process traps pockets of gas within the molten material, creating distinctive iridescent colors and patterns.
Fire obsidian is one of the most breathtaking obsidian types you’ll ever see. It’s like a piece of the night that suddenly bursts into flames with vibrant colors when the light hits it just right.
Fire obsidian is a rare variety of iridescent obsidian that is found in southeast Oregon. It is characterized by its vibrant colors and patterns, which are caused by the presence of thin layers of magnetite within the glass.
Fire obsidian, so named for its vivid spectrum of colors, is rare and so far has been found in only one site within the Glass Buttes region of central Oregon. A rhyolitic dome field, Glass Buttes has vast quantities of obsidian in various patterns and varieties.
An iridescent variety of obsidian. Its 'fire' is caused by thin layers of microcrystals of magnetite (which are approximately the thickness of a wavelength ...
Fire obsidian is… something else. It’s the most expensive and rare type of obsidian and requires a ton of experience to cut properly to view the visible effect. When it’s cut properly, fire obsidian will show an incredible array of bright colors when viewed from the proper angle.
Fire obsidian is excellent for cutting and polishing into unique and spectacular cabochons. First, the stone must be cleaned, and then a detailed ‘reading’ of the rock (to determine the exact location and orientation of fire layers) is performed.