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9.9 carat Allens Rise semi black free form opal


Had to leave the black part of the opal of the stone as it now looks like a swirling galaxy being sucked into a black hole.  Free form cut Allens Rise opal with red multicolour fire.  Great pendant stone.


  • Mine - Allens Rise, Coober Pedy Australia
  • Body Tone - N5 to N6
  • Brightness - 4
  • Fire colour - Red multicolour
  • Size - 22x20x4mm
  • Weight - 9.9 carats


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 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. 


9.9 carat Allens Rise semi black free form opal

SKU: Opl011
£245.00 Regular Price
£220.50Sale Price
Only 1 left in stock
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