top of page

5.85 carat 17 Mile free form, double sided fire opal


Very unique white opal from the 17 mile field mines, cut free form it shows fire patterns both sides. One side is red, blue and green small flash fire with the other being a blocky broad flash fire of reds, green and blue


  • Mine - 17 Mile - Australia
  • Body Tone - N7
  • Brightness - 4/5
  • Fire colour - Red Green Blue
  • Size - 21x8.8x5mm
  • Weight - 5.85 carat


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. 


5.85 carat 17 Mile free form, double sided fire opal

SKU: Opl040
£495.00 Regular Price
£445.50Sale Price
Only 1 left in stock
    bottom of page