• 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: 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: Mexico Opal Type: Solid Shape: Oval Cut: Cabochon Body Tone: N2 Body Color: Clear Transparency: Translucent Fire (1-5): 1 Weight (ct): 2 Dimensions (mm): 10x6.5x5 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO47
  • Origin: Mexico Opal Type: Fire Shape: Oval Cut: Faceted Body Color: Red Fire Color: Rainbow Transparency: Transparent Fire Visibility (1-5): 5 Size (mm): 11x8x5 Weight (ct): 2 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO244
  • Origin: Mexico Opal Type: Fire Shape: Pear Cut: Faceted Body Color: Dark Orange Transparency: Translucent Weight (ct): 3.1 Dimensions (mm): 12x9x7 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO188
  • 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: 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: Mexico Opal Type: Polished Rough Shape: Freeform Cut: Cabochon Body Color: Orange / Red Fire Color: Green Transparency: Opaque Fire Visibility (1-5): 1 Weight (ct): 3.2 Dimensions (mm): 11x9x6 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO86
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue Pattern: Broad Flash Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 15x11x2.5 Weight (ct): 3.20 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY03
  • Origin: Queensland, Australia Opal Type: Solid Black Opal Shape: Freeform Cabochon Color: Green, Yellow, Orange, Red, Purple Pattern: Rolling flash Weight (ct): 3.25  Dimensions (mm): 13.5x10.5x3 Brightness rating: 3 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BK23
  • Origin: Mexico Opal Type: Solid Shape: Oval Cut: Cabochon Body Color: Peach Fire Color: Green Transparency: Opaque Fire Visibility (1-5): 1 Weight (ct): 3.2 Dimensions (mm): 12x9.5x7.5 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO142
  • Origin: Mexico Opal Type: Fire Shape: Freeform Cut: Polished Body Color: Orange Fire Color: Rainbow Transparency: Transparent Fire Visibility (1-5): 5 Size (mm): 15x10x4 Weight (ct): 3.3 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO285
  • Origin: Mexico Opal Type: Solid Shape: Round Cut: Cabochon Body Color: Light Orange Fire Color: Rainbow Transparency: Translucent Weight (ct): 3.42 Dimensions (mm): 8x8x5 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO327-2
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Orange / Blue Pattern: Floral Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 14x11x3 Weight (ct): 3.45 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY04
  • 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: Lightning Ridge, Austraila Opal Type: Solid Opal Shape: Oval Cabochon Color: Green Blue Pattern: Broad flash Weight (ct): 3.55 Dimensions (mm): 12.5x9x5 Thickness (mm): 5 Body Tone: N2 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BK01
  • Opal Type: Crystal Opal Shape: Round Cut: Cabochon Color: Pink / Yellow / Green / Blue Pattern: Floral Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 12x12x.3.5 Weight (ct): 3.55 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: WO6
  • Origin: Mexico Opal Type: Fire Shape: Pear Cut: Faceted Body Color: Red Fire Color: Rainbow Transparency: Transparent Fire Visibility (1-5): 5 Size (mm): 13x10.5x6 Weight (ct): 3.5 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO250
  • 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: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Red / Orange / Blue / Green Pattern: Pinfire Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 14x10x4 Weight (ct): 3.65 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY21
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Pink / Green / Blue Pattern: Iris Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 16x11.5x3 Weight (ct): 3.70 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY14
  • Origin: Mexico Opal Type: Fire Shape: Oval Cut: Cabochon Body Color: Clear Pattern: Matrix Fire Color: Rainbow Transparency: Transparent Size (mm): 14x10x4 Weight (ct): 3.7 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO364
  • Origin: Mexico Opal Type: Fire Shape: Round Cut: Cabochon Body Color: Light Orange Fire Color: Rainbow Transparency: Transparent Weight (ct): 3.83 Dimensions (mm): 8x8x6 MOHS Hardness: 5-5.5 Treatment: Not treated GbG ID: MO329-2
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green, Blue, Orange Pattern: Floral Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 16x12x2.5 Weight (ct): 3.85 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY07
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