Flame Aura or Rainbow Aura Quartz have been enhanced with a combination of titanium and niobium. Titanium molecules are bonded to the quartz by the natural electrostatic charge of the crystal in a process known as magnetron ionization. The brilliant color of Flame Aura is the result of optical interference effects produced by layers of titanium. Since only electricity is used to deposit the titanium layers and create these colors, very little heat is involved and the integrity of the crystal is maintained. The crystal does not become brittle or prone to breakage as with other enhancements. If it does however, the natural color of the stone will show through because the enhancement is only on the surface of the crystal.
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