This listing is for a beautiful thin 2mm black 90 coe Cyan Copper dichroic glass.
Available in two sizes of 3" x 5" and 3" x 4".
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Coatings by Sandberg uses this system to name its glass:
First name - Transmitted Color (when coated on Black there is no transmitted color, only reflected color)
Second name - Reflected Color. Color shifts when fired.
