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50mm (2 Inch) Trichroic on Dark Red Glass Rondel

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Product Description

50mm Dark Red Round Trichroic Rondels

Beautiful dark red rondels with trichroic coating. 82 COE Float Glass by Ullmann Glass. Made in Germany.

Dimensions: Approximately 2" diameter

What are pleochroic and trichroic gems?  Pleochroic gems show two or three colors when viewed from different angles. This property appears quite spectacularly in gemstones such as andalusite, cordierite, emerald, and tanzanite. In gems such as peridot and aquamarine, it appears more subtly. Dichroic gems show two colors. Trichroic gems show three colors.
$ 19.98

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