Lightning Ridge Oval Black Opal 2.7crt - Eo-987
 
Lovely Oval Lightning Ridge Opal with a low dome, interesting fire pattern of green fire.
 
Ideal ring or pendant stone
 
Source - L/R
Size - 11x8x4mm
Weight - 2.7 carats
Base Tone - N4
Fire Colour - Green
Brightness - 4/5
 
About Opals
 
Lustre: 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.