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Fire Agate
Usually a rusty-brownish color, with fire bubbles that are visible after cutting and polishing. The iridescent colors of the fire bubbles are caused by thin layers of iron oxide crystals.
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FIRE AGATE | |
Mohs 6.5-7 | |
Chemical Composition SiO2 | |
Refractive Index 1.53-54 | |
Specific Gravity 2.58-2.64 | |
Cleavage None | |
Streak White | |
Localities The arid regions of Mexico and southwestern U.S.A. |
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