Synthetic spinal material is transparent to opaque with dull luster, Spinal comes in variety of colors like aqumarine, Sapphire Blue and Green in different shades from light, medium, dark. its hardness is 8, specific gravity is 3.5 to 4.1 and heat resistance is up to 1100 C

no. 104 aquamarine blue
no. 105 aquamarine green
no. 106 L-Sapphire Blue
no. 107 D-Sapphire Blue
no. 108 D-Sapphire Blue
no. 109 dark violet
no. 112 L-burman Blue
no. 113 Burman Blue
no. 114 D-Burman Blue
no. 119 D-SApphire blue
no. 120 Zircon blue
no. 149 L-green electric
no. 152 D-green electric