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%