Click below to learn more about our Crystal Opal

  • Origin: Queensland, Australia Opal Type: Solid Black Opal Shape: Freeform Color: Pink / Green / Blue Pattern: Pinfire Weight (ct): 0.85 Dimensions (mm): 8.5x5.5x2.5 Brightness rating: 8 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BK29-CY
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Round Color: Rainbow Pattern: Broad-Pin Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 9x9x3 Weight (ct): 1.4 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY52
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Freeform Cut: Cabochon Color: Rainbow Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 12.5x8.5x3 Weight (ct): 1.95 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY49
  • 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 Color: Pink / Yellow / Green / Blue Pattern: Flagstone Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 23.5x14x4 Weight (ct): 11.05 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY24
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Freeform Color: Pink / Green / Blue Pattern: Straw Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 12x9.5x3 Weight (ct): 2.45 MOHS Hardness: 5.5 -6.5 Treatment: Non-treated GbG ID: CY55
  • 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: 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: 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: 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: 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: 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: 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
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue / Purple Pattern: Rolling Flash Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 13x11.5x4.5 Weight (ct): 3.85 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY51
  • 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: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Rainbow Pattern: Floral Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 14x11x4 Weight (ct): 3.9 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY47
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Rainbow Pattern: Floral Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 20x11x2 Weight (ct): 4.75 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY20
  • 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 Color: Green / Orange / Blue Pattern: Floral Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 23x10x3 Weight (ct): 5.25 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY08
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Pink / Orange / Green / Blue Pattern: Broad Flash Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 17x12x3.5 Weight (ct): 5.2 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY26
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Orange / Green / Blue Pattern: Broad Flash Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 18x13x3 Weight (ct): 5.3 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY12
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue / Orange Pattern: Broad Flash Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 15x14x3 Weight (ct): 5.45 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY19
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Cut: Cabochon Color: Green / Blue / Orange Pattern: Rolling Flash Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 16x13.5x4.5 Weight (ct): 5.65 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY50
  • 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: 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: 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: 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: 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: 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
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Orange / Green / Blue Pattern: Flagstone Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 17x13x4 Weight (ct): 7.2 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY06
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue / Orange / Yellow Pattern: Straw Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 20x15x3.5 Weight (ct): 8.05 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY23
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Orange / White Pattern: Broad Flash Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 24x13x3.5 Weight (ct): 8.25 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY02
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue / Purple Pattern: Pinfire Transparency: Translucent Brightness rating (1-5): 3 Size (mm): 19x14x4 Weight (ct): 8.3 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY48
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Rainbow Pattern: Flagstone Transparency: Translucent Brightness rating (1-5): 4-5 Size (mm): 20x15x4 Weight (ct): 9.55 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY18
  • Origin: Coober Pedy, Australia Opal Type: Crystal Opal Shape: Oval Color: Green / Blue / Orange Pattern: Broad Flash Transparency: Translucent Brightness rating (1-5): 4 Size (mm): 24x14x4 Weight (ct): 9.9 MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: CY13

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