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6.20 carat Mintabie crystal opal metallic cosmic fire colour


Another stunning cosmic bright fire pattern from Mintabie opal, crystal base full of shimmering bright reds, oranges, greens, mauve’s and blue. Slight curve to the body.


  • Mine - Mintabie
  • Body Tone - crystal
  • Brightness - 5/5
  • Fire colour - mixed
  • Size - 22x15x3.3mm
  • Weight - 6.20 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. 


6.20 carat Mintabie crystal opal metallic cosmic fire colour

SKU: Opl104
£999.00 Regular Price
£899.10Sale Price
Only 1 left in stock
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