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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: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Half-Freeform Color: Rainbow Pattern: Ribbon Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 13x6.5x5.5 Weight (ct): 2.95 MOHS Hardness: 5.5 -6.5 Treatment: Non-treated GbG ID: CY58 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Blue / Green Pattern: Ribbon Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 16x11x3 Weight (ct): 3.9 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY15 -
Origin: Queensland, Australia Opal Type: Solid Black Opal Shape: Freeform Color: Green / Purple / Orange Pattern: Broad Ribbon Weight (ct): 6.25 Dimensions (mm): 16x13x4.5 Brightness rating: 4 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BK26 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue / Orange Pattern: Ribbon / Pinfire Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 24x10x4 Weight (ct): 7.15 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY09 -
Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Rainbow Pattern: Common, Ribbon Size (mm): 18.5x15x3.5 Weight (ct): 8.6 Brightness rating (1-5): 2 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO63
