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Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Freeform Color: Rainbow Pattern: Broad Transparency: Translucent Brightness rating (1-5): 2 Size (mm): 10.5x9.5x3 Weight (ct): 1.9 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY53 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Cut: Cabochon Color: Rainbow Pattern: Broad-Floral Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 12x10x4 Weight (ct): 2.75 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY57 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Freeform Cut: Cabochon Color: Rainbow Pattern: Broad Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 13x10x3.5 Weight (ct): 3.1 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY59 -
Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Cut: Doublet Color: Blue / Green Pattern: Broad / Pinfire Size (mm): 13.5x10.5x3 Weight (ct): 3.5 Brightness rating (1-5): 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO69 -
Opal Type: White Crystal Opal Shape: Oval Cut: Cabochon Color: Orange / Pink / Green / Blue Pattern: Broad Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 16x12.5x5.5 Weight (ct): 5.95 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: WO9 -
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
