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Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Orange / Yellow / Blue Pattern: Matrix Weight (ct): 52 Dimensions (mm): 30x29x8 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated Setting: Drilled for pendant GbG ID: BO30 -
Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Blue Pattern: Matrix Weight (ct): 55.2 Dimensions (mm): 45x25x8 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treate Setting: Drilled for pendant GbG ID: BO16 -
Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Blue Metallic Pattern: Floral Weight (ct): 56.55 Dimensions (mm): 33.5x17x12 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated Setting: Drilled for pendant GbG ID: BO18 -
Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Blue / Yellow Pattern: Matrix Weight (ct): 57.8 Dimensions (mm): 32x26x7 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treate Setting: Drilled for pendant GbG ID: BO37 -
Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Orange / Yellow Pattern: Matrix Weight (ct): 59.7 Dimensions (mm): 34x21x8 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated Setting: Drilled for pendant GbG ID: BO31 -
Origin: Queensland, Australia Opal Type: Solid Black Opal Shape: Freeform Kite Color: Green / Blue / Pink / Orange / Yellow Pattern: Floral Weight (ct): 5 Dimensions (mm): 16x12x4 Brightness rating: 4 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BK18 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue / Purple Pattern: Straw Transparency: Translucent Brightness rating (1-5): 2 Size (mm): 18x13x4 Weight (ct): 6.05 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY30 -
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: Mexico Opal Type: Fire Shape: Freeform Cut: Polished Body Color: Clear Fire Color: Rainbow Transparency: Transparent Weight (ct): 6.4 Size (mm): 15x11x6 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO303 -
Origin: Mexico Opal Type: Fire Shape: Freeform Cut: Polished Body Color: Clear Orange Fire Color: Rainbow Transparency: Transparent Fire Visibility (1-5): 5 Size (mm): 11x10x8 Weight (ct): 6.6 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO283 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Rainbow Pattern: Flagstone Transparency: Translucent Brightness rating (1-5): 2 Size (mm): 17x13x4 Weight (ct): 6.6 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY27 -
Origin: Mexico Opal Type: Fire Shape: Pear Cut: Cabochon Pattern: Matrix Size (mm): 16x11x6 Weight (ct): 6.7 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO419 -
Origin: Queensland, Australia Opal Type: Solid Black Opal Shape: Freeform Color: Rainbow Pattern: Broad flash Weight (ct): 6.7 Dimensions (mm): 25x12x2.5 Brightness rating: 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BK25 -
Origin: Mexico Opal Type: Fire Shape: Freeform Cut: Polished Body Color: Clear Yellow Fire Color: Rainbow Transparency: Transparent Fire Visibility (1-5): 5 Weight (ct): 6.85 Size (mm): 19x15x3 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO290 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Rainbow Pattern: Flagstone Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 20x12x3 Weight (ct): 6.85 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY10 -
Origin: Mexico Opal Type: Fire Shape: Freeform Cut: Polished Body Color: Clear Orange Fire Color: Rainbow Transparency: Transparent Weight (ct): 6.9 Size (mm): 15x12x9 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO315 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue / Orange Pattern: Straw Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 22x12x3 Weight (ct): 6.9 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY17 -
Origin: Mexico Opal Type: Solid Shape: Freeform Cut: N/A, Polished Body Color: White Fire Color: Rainbow Transparency: Translucent Fire Visibility (1-5): 1 Weight (ct): 66 Dimensions (mm): 29x25x18 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO46 -
Origin: Mexico Opal Type: Fire Shape: Oval Cut: Faceted Body Color: Dark Orange Transparency: Translucent Weight (ct): 6 Dimensions (mm): 15x11x8 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO183 -
Origin: Mexico Opal Type: Fire Shape: Oval Cut: Faceted Body Color: Dark Orange Fire Color: Rainbow Transparency: Transparent Fire Visibility (1-5): 5 Size (mm): 11x12x6.5 Weight (ct): 6 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO196 -
Origin: Mexico Opal Type: Fire Shape: Pear Cut: Faceted Body Color: Red Fire Color: Rainbow Transparency: Transparent Fire Visibility (1-5): 5 Size (mm): 16.5x11x8 Weight (ct): 6 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO198 -
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: Mexico Opal Type: Fire Shape: Freeform Cut: Polished Body Color: Cloudy Yellow Fire Color: Rainbow Transparency: Transparent Fire Visibility (1-5): 5 Size (mm): 15x12x9 Weight (ct): 7.1 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO288 -
Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Rainbow Pattern: Floral Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 20x12x3.5 Weight (ct): 7.1 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY29
