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1.55 carat Lightning Ridge black free form opal, stunning blue green fire colour, Australian loose gemstone cabochon Eo-436


Bright blue green fire from this Lightning Ridge black opal.  Cut free form with a high dome this blue and green fire on the face of this opal is stunning. Ideal as a ring stone as the fire rolls over the face so would be best viewed in this type of setting.


Mine - Lightning Ridge
Body Tone - N2
Brightness - 4/5
Fire colour - Blue Green
Size - 9x7x3.7mmmm
Weight - 1.55


Price is for the stone pictured


About Opals


Treatment: Natural

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. 


1.55 carat Lightning Ridge black opal - EO-436

SKU: Eo-436
£395.00 Regular Price
£355.50Sale Price
Only 1 left in stock
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