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9.25 carat Lightning Ridge doublet oval - top grade with thick layer of crystal on top n1 black opal


Beautiful large oval cut doublet opal from the Lightning Ridge mines, rich blue and green fire cut 18x15mm oval


  • Mine - Lightning Ridge doublet
  • Body Tone - N1 crystal top
  • Brightness - 5/5
  • Fire colour - Blue Green
  • Size - 18x15x5mm
  • Weight - 9.25 carat


Price is per stone


About Opals


Treatment: Doublet

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. 


9.25 carat Lightning Ridge doublet oval

SKU: Opl029
£385.00 Regular Price
£346.50Sale Price
Only 1 left in stock
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