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4.35 carat Olympic free form shell fossil opal


Lovely and bright white opal cut from a shell fossil mined at Olympic mines. Lots of multicoloured fire with a little sand spot on the back of the stone.

Suit ring or pendant setting


  • Mine - Olympic
  • Body Tone - N9
  • Brightness - 4
  • Fire colour - Multicoloured 
  • Size - 8.7x10.6x3.9mm
  • Weight - 4.35 carats


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. 


4.35 carat Olympic free form shell fossil opal

SKU: Opl020
£495.00 Regular Price
£445.50Sale Price
Only 1 left in stock
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