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1.25 carat Mintabie mine Crystal Opal free form green, red and blue fire colour , Australian loose gemstone Cabochon  Eo-437


Lovely bright free form crystal opal from the Mintabie mine.  Has a light crystal body tone with strong green, red and blue fire pattern throughout.  Perfect for a pendant stone or set in a bezel ring set.


Mine - Mintabie
Body Tone - Crystal
Brightness - 4/5
Fire colour - Red Blue and green
Size - 12x5x3mm
Weight - 1.25 carat


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. 


1.25 carat Mintabie free form crystal opal - EO-437

SKU: Eo-437
£135.00 Regular Price
£121.50Sale Price
Only 1 left in stock
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