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40-44gr 1pc Orange Aurora Rainbow Opal Resin 80% Lab Created Faceting Rough Stone
Aurora Opal Lot 1127
Color: Orange with Red fire
Type: Rough Stone
Classification: Lab Grown Opal Polymer Impregnated
Chemical composition: SiO2 + nH2O + Resin (75-85%)
Hardness: Pencil Hardness 3-5H
Specific Gravity: 1.25-1.35
Heat Resistance: 140 C
Resistance to Chemicals: Alcohol – Pass; Acetone - NG
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