6.20 carat Mintabie crystal opal metallic cosmic fire colour
 
Another stunning cosmic bright fire pattern from Mintabie opal, crystal base full of shimmering bright reds, oranges, greens, mauve’s and blue. Slight curve to the body.
 
Mine - Mintabie
Body Tone - crystal
Brightness - 5/5
Fire colour - mixed
Size - 22x15x3.3mm
Weight - 6.20 carats
 
About Opals
 
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 dimension given
 
Properties:
 
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 safety on the water.
 
All orders are sent recorded delivery UK and International.