mica
In glass fusing, mica is used in a powdered and colored form. Properly applied to glass and fused, it leaves the surface with a metallic finish. 
Compare to dichroic and irridized glass.
In glass fusing, mica is used in a powdered and colored form. Properly applied to glass and fused, it leaves the surface with a metallic finish. Compare to dichroic and irridized glass.