Fusing and Slumping Glass Supplies - 12 x 12 Inch Spectrum Monterey Clear Ivory - 96 COE Product Description Add this dramatic pattern to your fused glass art! Create fused cabochons, vases, plates and panels that will demand attention. 96 COE . Monterrey is a color-neutral Spirit sheet featuring Ivory opal streaks over a Crystal Clear base. Its elegant and subtle appearance blends wonderfully with virtually any color glass.