Li-Opal
Lot R1138
Color: Black with Green fire
Type: Rough Stone
Size: 58-59x45-46x14-15mm
Weight: 48-51gr
Classification: Lab Grown Opal Polymer Impregnated
Chemical composition: SiO2 + nH2O + Resin (75-85%)
Hardness: Pencil Hardness 4-5H
Specific Gravity: 1.25-1.35
Heat Resistance: 140 C
Resistance to Chemicals: Alcohol – Pass; Acetone - NG
Water: 0%
Polymer: 75-85%
