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"Dichroic" is defined as the property of having more than one colour, especially when viewed from different angles or from transmitted to reflected light. To get this effect, thin layers of metallic oxides, such as titanium, silicon, and magnesium are deposited upon the surface of the glass in a high temperature, vacuum furnace with the aid of an electron beam.
Glass coated in this fashion is then used by artists to create truly unique and highly aesthetic cabochons. |
