2.83ct 3pcs Set Non-Resin Black Opal with Green Fire Oval Cabochon Lab Created

  • $116.00
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2.83ct 3pcs Set Non-Resin Black Opal with Green Fire Oval Cabochon Lab Created

  • $116.00
Gilson (Non-Resin) Opal
Lot CS346


Color: Black with green fire
Shape: Oval Cabochon
Size: 7x5 mm (2pcs), 10x8 mm (1pcs)
Total Weight: 2.83 ct
Quantity: 3 pcs (set)


Classification: Lab Grown Opal
Chemical composition: SiO2 + nH2O
Hardness (Mohs): 6.5
Specific Gravity: 2.2-2.25
Heat Resistance: 1200 C
Water: 0%
Polymer: 0%

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