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4.50 carat Mintabie Crystal Opal Cosmic multicoloured fire


Stunning crystal opal from the Mintabie mine, slight curved body to the opal that shows great cosmic red multicoloured fire patterns.


  • Mine - Mintabie
  • Body Tone - crystal
  • Brightness - 4.5/5
  • Fire colour - Red multi
  • Size - 28x13x2mm
  • Weight - 4.50 carats


Price is for the stone pictured


About Opals


Treatment: Natural

Color: Black, White, Blue, Green, Red, Yellow, Pink, Grey, Purple, Orange, Brown

Luster: Pearly, Vitreous, Opalescence

Birthstone zodiac sign: Libra

Associated month: October

Crystal system: Amorphous solid

Chemical formula: SiO₂·nH₂O

Hardness (Mohs hardness scale): 5.5 – 6.5

Country of origin: Australia, Ethiopia, Mexico and Cornwall amazingly 

Size variations: can vary 0.3mm each way on all dimensions given.




In mystical circles, opal is considered a stone representing hope, innocence and purity. It has strong connotations of happiness, faithfulness, loyalty and confidence.  Regarded as a powerful sea stone for safty on the water.


All orders are sent recorded delivery UK and International. 


4.50 carat Mintabie Crystal Opal Cosmic multicoloured fire

SKU: Opl095
£795.00 Regular Price
£715.50Sale Price
Only 1 left in stock
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