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17.50 carat Lightning Ridge black opal Pear cut


Excellent large black opal from the lightning Ridge mine,  Medium dome cut pear.  Face show lovely sea blues and green that swirl around island of black.  Set as a super large ring stone or as a pendant.


  • Mine - Lightning Ridge
  • Body Tone - N3
  • Brightness - 4.5
  • Fire colour - Green Blue
  • Size - 28x18x5.8mm
  • Weight - 17.50


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. 


17.50 carat Lightning Ridge black opal Pear cut

SKU: Opl111
£6,995.00 Regular Price
£6,295.50Sale Price
Only 1 left in stock
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