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4.75 carat Mintabie crystal opal opal


Lovely Mintabie crystal opal, free form cut with the face showing a great blocky fire pattern of Oranges, greens and yellows. Hints of blue and red as well.


  • Mine - Mintabie - Australia
  • Body Tone - crystal
  • Brightness - 5/5
  • Fire colour - Mixed
  • Size - 22.8x8.4x3.6mm
  • Weight - 4.75 carat


Price is per stone


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 dimentions 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. 


4.75 carat Mintabie crystal opal opal

SKU: Opl053
£495.00 Regular Price
£445.50Sale Price
Only 1 left in stock
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