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7.75 carat Lightning Ridge black opal


Super bright blue fire from this Lightning Ridge black opal.  Cut oval with a flat dome this blue fire on the face of this opal is stunning.  Deep rich royal blue which is so sought after, looks like oil on water as it flows around the face.


  • Mine - Lightning Ridge
  • Body Tone - N1
  • Brightness - 5
  • Fire colour - Blue
  • Size - 24x16x3mm
  • Weight - 7.75


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. 


7.75 carat Lightning Ridge black opal - OPL008

SKU: Opl008
£2,995.00 Regular Price
£2,695.50Sale Price
Only 1 left in stock
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