Chance to buy a super rare black opal with a stunning colour combination.
 
Beautiful pear cut Lightning Ridge Black Opal. Rarer red, orange and green fire on N1 black base.
 
We feel a pendant setting is best though looks great on a ring.
 
Sand spot on the back one end , see pictures. Does not affect the colour of the Opal
 
Source - L/R
Size - 6.5x5x2.4mm
Weight - 0.50 carats
Base Tone - N1
Fire Colour - Red Orange Green
Brightness - 4.5/5
 
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.