• Opal Type: White Crystal Opal Shape: Long Oval Cut: Cabochon Color: Rainbow Pattern: Ribbon Transparency: Translucent Brightness rating (1-5): 2 Size (mm): 17x6.5x3 Weight (ct): 2.35 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: WO10
  • Origin: Queensland, Australia Opal Type: Solid Black Opal Shape: Long Oval Cabochon Color: Rainbow White Pattern: Ribbon Weight (ct): 4.6 Dimensions (mm): 20.5x8x4 Brightness rating: 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BK28

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