top of page

8.90 carat 17 Mile free form opal​​​​​​


Beautiful 17 Mile mine Opal Free Form cut 8.90 carats 25x18x4mm, interesting fire pattern with areas with long needle like structures.


  • Mine - 17 mile - Australia
  • Body Tone - N7
  • Brightness - 4/6
  • Fire colour - Blue Green Yellow
  • Size - 25x18x4mm
  • Weight - 8.90 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. 


8.90 carat 17 Mile free form opal

SKU: Opl065
£895.00 Regular Price
£805.50Sale Price
Only 1 left in stock
    bottom of page