• 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: Mexico Opal Type: Fire Shape: Oval Cut: Faceted Body Color: Red Transparency: Transparent Fire Visibility (1-5): 5 Size (mm): 17x12x8 Weight (ct): 8.1 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO192
  • Origin: Lightning Ridge, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Green / Orange / Purple Pattern: Broad Flash Size (mm): 12x10x2.5 Weight (ct): 1.9 Brightness rating (1-5): 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO71
  • 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
  • Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Oval Cut: Cabochon Color: Rainbow Pattern: Matrix Size (mm): 18x13x6 Weight (ct): 12.2 Brightness rating (1-5): 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO66
  • Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Round Cut: Cabochon Color: Green / Blue / Pink / Orange Pattern: Matrix Size (mm): 10.5x10.5x4 Weight (ct): 3.1 Brightness rating (1-5): 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO65
  • 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
  • Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Rhombus Color: Green / Common Blue Pattern: Matrix Size (mm): 22x16x4 Weight (ct): 15.3 Brightness rating (1-5): 2 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO62
  • Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Square Color: Rainbow Pattern: Matrix Weight (ct): 27.75 Size (mm): 10x10x3 Brightness rating: 2 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO60-6
  • Origin: Spencer, ID Opal Type: Solid Boulder Opal Shape: Oval Cut: Cabochon Color: Green / Blue / Orange Pattern: Matrix, Straw Size (mm): 38.5x25x6.5 Weight (ct): 40 Brightness rating (1-5): 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO58
  • Origin: Spencer, ID Opal Type: Solid Boulder Opal Shape: Cabochon Color: Green / Purple Pattern: Matrix, Straw Weight (ct): 28.8 Dimensions (mm): 37x24.5x4.5 Brightness rating(1-5): 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BO57
  • Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Blue Pattern: Matrix Weight (ct): 37.3 Dimensions (mm): 37x19x6 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated Setting: Undrilled for pendant GbG ID: BO52
  • Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Green / Blue / Yellow Pattern: Matrix Weight (ct): 75.8 Dimensions (mm): 56x32x5 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated Setting: Undrilled for pendant GbG ID: BO50
  • Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Green / Blue Pattern: Rolling flash Weight (ct): 28.4 Dimensions (mm): 22x17x6.5 Brightness rating: Bright Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated Setting: Undrilled GbG ID: BO47
  • Origin: Queensland, Australia Opal Type: Solid Boulder Opal Shape: Freeform Color: Dark Blue Pattern: Floral Weight (ct): 20 Dimensions (mm): 18x14x7 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated Setting: Drilled for pendant GbG ID: BO38
  • 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: Green / Blue Pattern: Floral Weight (ct): 33.35 Dimensions (mm): 32x15x8 Brightness rating: Subdued Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated Setting: Drilled for pendant GbG ID: BO22
  • 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 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: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Freeform Cut: Cabochon Color: Rainbow Pattern: Pinfire Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 18x9x4 Weight (ct): 4.7 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY61
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Cut: Cabochon Color: Rainbow Pattern: Pinfire Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 15x11x3 Weight (ct): 3.45 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY60
  • 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: 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 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

Title

Go to Top