Fire Magnetite Obsidian – Glass Butte Rough Chunk for Lapidary or Knapping

🔥 Fire Obsidian - ⚫ Intense Flash from Glass Butte, Oregon ✨

This striking piece of Fire Obsidian from Glass Butte, Oregon shows off strong, fiery flash when viewed under the right lighting-though it lacks the green and blue tones sometimes associated with this rare material. What it does offer is a vivid, directional fire effect that appears along reflective bands within the stone, creating a dazzling visual that still makes this a standout specimen.

Fire Obsidian is one of the rarest and most sought-after forms of obsidian, known for its metallic, flame-like iridescence caused by microscopic layers of magnetite embedded within the volcanic glass. It's a challenging but rewarding material to work with, and one that's best suited for experienced lapidarists who understand how to cut and orient slabs or cabochons to bring out the flash.

When not lit from the correct angle, Fire Obsidian appears solid black. But in bright light, properly positioned, the fire lights up in an almost holographic shimmer that makes it one of the most spectacular natural stones available.

Weight: 10 oz
Measurements (Inches - Approx): 4.1 x 2.9 x 2.3

🪨 Product Features:

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Material: Natural Fire Obsidian

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Origin: Glass Butte, Oregon

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Colors & Patterns: Strong fire flash (no green/blue) along reflective strands

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Formation: Volcanic glass with magnetite micro-layers

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Lapidary Use: Best for experienced cutters-cab-worthy with orientation

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Note: Raw, uncut piece; light-sensitive fire effect

🌟 Why You'll Love It:

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Rare and collectible fire obsidian from a classic U.S. locality

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Intense flash under strong directional lighting

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A lapidary challenge with high visual payoff

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Ideal for cabbing, collecting, or display

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100% natural-no dyes, coatings, or treatments

Photo Disclaimer
I strive to provide accurate, unedited photos that represent each stone as naturally as possible. Most stones are photographed wet to simulate their polished appearance. While I do not use filters or enhancements, please be aware that screen brightness and settings may slightly alter the color you see. If a face has been cut, the final image is usually taken dry to help reveal natural surface characteristics like pits or fractures.

Natural Stone & Fossil Disclaimer
All of the stones and fossils offered here are natural materials formed over millions of years through geological and organic processes. As a result, it is completely normal for them to exhibit natural fractures, pits, inclusions, voids, and other surface or internal features that reflect their ancient origins.

These characteristics are not flaws-they are part of what makes each piece unique. We encourage you to review all product photos carefully and research the properties of each material before purchasing to ensure it meets your expectations.

If you have any questions about a specific piece, feel free to contact us before ordering.